Sale 1:

https://backpack.tf/profiles/76561198930057749#!/compare/1561248000/1561248000

https://backpack.tf/profiles/76561198354938450#!/compare/1561161600/1561334400

SCM

Sale 2:

https://backpack.tf/profiles/76561198065201997#!/compare/1564185600/1564272000

https://backpack.tf/profiles/76561198213816023#!/compare/1564617600/1565913600

Untrace

Sale 3:

https://backpack.tf/profiles/76561198135275673#!/compare/1565481600/1565568000

https://backpack.tf/profiles/76561198037782799#!/compare/1565395200/1565568000

Not unusual

Sale 4:

https://backpack.tf/profiles/76561198037782799#!/compare/1565395200/1565568000

https://backpack.tf/profiles/76561198419584303#!/compare/1565481600/1565568000

https://backpack.tf/profiles/76561198371651326#!/compare/1565481600/1565568000

Untrace

Sale 5:

https://backpack.tf/profiles/76561198371651326#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198068621631#!/compare/1566259200/1566345600

Untrace

Sale 6:

https://backpack.tf/profiles/76561198881401178#!/compare/1562198400/1566345600

https://backpack.tf/profiles/76561198101322839#!/compare/1560729600/1562544000

SCM

Sale 7:

https://backpack.tf/profiles/76561198370014787#!/compare/1560384000/1560470400

https://backpack.tf/profiles/76561198045174236#!/compare/1560384000/1560470400

Bulk

Sale 8:

https://backpack.tf/profiles/76561198881401178#!/compare/1562198400/1566345600

https://backpack.tf/profiles/76561198299237697#!/compare/1561680000/1562630400

SCM

Sale 9:

https://backpack.tf/profiles/76561198299237697#!/compare/1562803200/1562889600

https://backpack.tf/profiles/76561198305676157#!/compare/1562716800/1562803200

QS to bot

Sale 10:

https://backpack.tf/profiles/76561198305676157#!/compare/1564444800/1564531200

https://backpack.tf/profiles/76561198061464918#!/compare/1564444800/1564531200

Transfer

Sale 11:

https://backpack.tf/profiles/76561198305676157#!/compare/1560902400/1560988800

https://backpack.tf/profiles/76561198267900172#!/compare/1559865600/1560988800

Untrace

Sale 12:

https://backpack.tf/profiles/76561198286341212#!/compare/1560124800/1560384000

https://backpack.tf/profiles/76561198188228002#!/compare/1560643200/1560729600

SCM

sale 13:

https://backpack.tf/profiles/76561198188228002#!/compare/1562198400/1562544000

https://backpack.tf/profiles/76561198340634356#!/compare/1562457600/1562544000

Sold for ~7.5 keys

Sale 14:

https://backpack.tf/profiles/76561198340634356#!/compare/1562889600/1562976000

https://backpack.tf/profiles/76561198326511775#!/compare/1562889600/1562976000

Untrace

Sale 15:

https://backpack.tf/profiles/76561198326511775#!/compare/1563926400/1564099200

https://backpack.tf/profiles/76561198448830963#!/compare/1564012800/1564099200

Untrace

Sale 16:

https://backpack.tf/profiles/76561198448830963#!/compare/1564099200/1564185600

https://backpack.tf/profiles/76561198243810876#!/compare/1564185600/1564444800

Sold for ~7 keys

Sale 17:

https://backpack.tf/profiles/76561198076259234#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198232041512#!/compare/1565568000/1565654400

Bulk

Sale 18:

https://backpack.tf/profiles/76561198057719884#!/compare/1558915200/1559260800

https://backpack.tf/profiles/76561198305676157#!/compare/1558915200/1559001600

Sold for ~5 keys(?)

Sale 19:

https://backpack.tf/profiles/76561198305676157#!/compare/1559174400/1559260800

https://backpack.tf/profiles/76561198270931078#!/compare/1559174400/1559260800

Sold for 8 keys

Sale 20:

https://backpack.tf/profiles/76561198270931078#!/compare/1559260800/1559347200

https://backpack.tf/profiles/76561198237189496#!/compare/1559347200/1559433600

Untrace

Sale 21:

https://backpack.tf/profiles/76561198237189496#!/compare/1562025600/1562716800

https://backpack.tf/profiles/76561198044203779#!/compare/1561939200/1562025600

Sold with ~4 keys in sweets for Brain Vanquisher

Sale 22:

https://backpack.tf/profiles/76561198104055806#!/compare/1563753600/1565395200

https://backpack.tf/profiles/76561198887738405#!/compare/1562803200/1564358400

SCM

Sale 23:

https://backpack.tf/profiles/76561198402152328#!/compare/1560902400/1561161600

https://backpack.tf/profiles/76561198168863803#!/compare/1561075200/1561161600

Bulk

Sale 24:

https://backpack.tf/profiles/76561198168863803#!/compare/1565740800/1565827200

https://backpack.tf/profiles/76561198185279689#!/compare/1565568000/1565827200

Untrace

Sale 25:

https://backpack.tf/profiles/76561198185279689#!/compare/1565913600/1566172800

https://backpack.tf/profiles/76561198971805272#!/compare/1565827200/1565913600

Bulk

Sale 26:

https://backpack.tf/profiles/76561198971805272#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198160975724#!/compare/1565913600/1566000000

Untrace

Sale 27:

https://backpack.tf/profiles/76561198247576962#!/compare/1561334400/1561593600

https://backpack.tf/profiles/76561198802465612#!/compare/1561420800/1561593600

Sold for ~6 keys

Sale 28:

https://backpack.tf/profiles/76561198802465612#!/compare/1563408000/1563494400

https://backpack.tf/profiles/76561198094126723#!/compare/1563494400/1563667200

https://backpack.tf/profiles/76561198340634356#!/compare/1563580800/1563667200

Sold for ~8 keys, then QS again.

Sale 29:

https://backpack.tf/profiles/76561198340634356#!/compare/1564272000/1564358400

https://backpack.tf/profiles/76561197985050447#!/compare/1564099200/1564444800

Sold for 7 keys

Sale 30:

https://backpack.tf/profiles/76561198247983594#!/compare/1564272000/1564358400

https://backpack.tf/profiles/76561198069707880#!/compare/1564272000/1564358400

https://backpack.tf/profiles/76561198294431910#!/compare/1564272000/1564358400

Not unusual, then SCM

sale 31:

https://backpack.tf/profiles/76561198817417602#!/compare/1560729600/1560816000

https://backpack.tf/profiles/76561198335791307#!/compare/1560643200/1560729600

QS to bot

Sale 32:

https://backpack.tf/profiles/76561198335791307#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198411676179#!/compare/1566000000/1566086400

Untrace

Sale 33:

https://backpack.tf/profiles/76561198378068468#!/compare/1560124800/1561334400

https://backpack.tf/profiles/76561198082519031#!/compare/1560124800/1561766400

https://backpack.tf/profiles/76561198100484031#!/compare/1560038400/1560124800

Untrace

Sale 34:

https://backpack.tf/profiles/76561198024579009#!/compare/1559260800/1559347200

https://backpack.tf/profiles/76561198859721638#!/compare/1559260800/1559347200

Bulk

Sale 25:

https://backpack.tf/profiles/76561198859721638#!/compare/1559260800/1559347200

https://backpack.tf/profiles/76561198094996791#!/compare/1559174400/1559347200

Sold with 6 keys for Miami Bunsen

Sale 26:

https://backpack.tf/profiles/76561198094996791#!/compare/1559692800/1559779200

https://backpack.tf/profiles/76561198841279602#!/compare/1559692800/1559779200

Keys...

Sale 27:

https://backpack.tf/profiles/76561198334210719#!/compare/1559260800/1559433600

https://backpack.tf/profiles/76561198157452762#!/compare/1559174400/1559260800

Bulk

Sale 28:

https://backpack.tf/profiles/76561198157452762#!/compare/1559433600/1559520000

https://backpack.tf/profiles/76561197970381831#!/compare/1559174400/1559433600

Sold for G Fetti Airdog + ~1.5 keys in sweets

Sale 29:

https://backpack.tf/profiles/76561197970381831#!/compare/1559174400/1559433600

https://backpack.tf/profiles/76561198340634356#!/compare/1559433600/1559520000

Untrace

Sale 30:

https://backpack.tf/profiles/76561198340634356#!/compare/1564963200/1565049600

https://backpack.tf/profiles/76561198078761286#!/compare/1564876800/1565136000

Keys(bot.tf)

Sale 31:

https://backpack.tf/profiles/76561198383883365#!/compare/1563321600/1565827200

https://backpack.tf/profiles/76561198386716854#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198335791307#!/compare/1566000000/1566086400

Keys(bot.tf)

Sale 32:

https://backpack.tf/profiles/76561198165055074#!/compare/1561680000/1561939200

https://backpack.tf/profiles/76561198278663938#!/compare/1561939200/1562630400

Sold for FoD Shred

Sale 33:

https://backpack.tf/profiles/76561198278663938#!/compare/1563667200/1563840000

https://backpack.tf/profiles/76561198096447036#!/compare/1563580800/1563667200

Bulky

sale 34:

https://backpack.tf/profiles/76561198096447036#!/compare/1563926400/1564012800

https://backpack.tf/profiles/76561198928347702#!/compare/1563926400/1564012800

Keys(bot.tf)

Sale 35:

https://backpack.tf/profiles/76561198371651326#!/compare/1564531200/1565308800

https://backpack.tf/profiles/76561198071093112#!/compare/1565136000/1565568000

https://backpack.tf/profiles/76561198063536945#!/compare/1531440000/1565136000

Untrace

Sale 36:

https://backpack.tf/profiles/76561198063536945#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198870453692#!/compare/1565827200/1566000000

https://backpack.tf/profiles/76561198340634356#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198129716937#!/compare/1565913600/1566000000

Untrace / keys / bulk

Sale 37 - 43:

https://marketplace.tf/items/tf2/1106;5;u3004

$22.21 / $1.82 = 12.20 keys <-- https://backpack.tf/item/3818072427

$22.21 / $1.85 = 12.01 keys

$11.21 / $1.84 = 6.09 keys

$22.22 / $1.83 = 12.14 keys <-- https://backpack.tf/item/5034645327

$23.96 / $1.80 = 13.31 keys <-- https://backpack.tf/item/3347368433 | https://bot.tf/stats/listings/46NN8QX9 B/O of 8 keys, capping

$11.15 / $1.82 = 6.13 keys

$18.99 / $1.84 = 10.32 keys

Bot.tf:

https://bot.tf/stats/item?def=1106&q=5&ef=%2772&craft=1&aus=0&ks=0&source=browser_script

https://i.imgur.com/GHZ7hP4.jpg

6 sales @ ~8 keys,

4 sales @ 7 keys,

6 sales @ ~6 keys,

2 sales @ ~5 keys,

3 sales @ ~6.5 keys,

Total sales @:

5 (x2)

6 (x9)

6.5 (x3)

7 (x6)

7.5

8 (x8)

10

12 (x3)

Buyers up to ~5.5 keys,

Sellers down to 8 keys, one unsold for ~1 month at 8, around same time at 9,

Gonna say I have enough sales to call item ones 'use there',

taking 6 - 8 keys.