Sale 1:

https://backpack.tf/profiles/76561198334598690#!/compare/1564617600/1564704000

https://backpack.tf/profiles/76561198441381078#!/compare/1564617600/1564704000

Sold for C9 Pusher

https://bot.tf/stats/listings/Y5RRK5R5

B/O of 18 keys

sale 2:

https://backpack.tf/profiles/76561198441381078#!/compare/1564963200/1565049600

https://backpack.tf/profiles/76561198192118853#!/compare/1564876800/1564963200

Sold with ~2 keys in sweets for Strange Atomic Trans

Sale 3:

https://backpack.tf/profiles/76561198202308457#!/compare/1565481600/1565740800

https://backpack.tf/profiles/76561198207835259#!/compare/1564790400/1565740800

Bulk

Sale 4:

https://backpack.tf/profiles/76561198274566136#!/compare/1567555200/1567814400

https://backpack.tf/profiles/76561198334598690#!/compare/1567728000/1567814400

QS

sale 5:

https://backpack.tf/profiles/76561198334598690#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198079917114#!/compare/1559088000/1568160000

Keys

sale 6:

https://backpack.tf/profiles/76561198414515070#!/compare/1567296000/1567296000/nearest

https://backpack.tf/profiles/76561198095637725#!/compare/1567036800/1567382400

https://backpack.tf/profiles/76561198138536099#!/compare/1571184000/1571443200

untrace

Sale 7:

https://backpack.tf/profiles/76561198400562713#!/compare/1564790400/1564876800

https://backpack.tf/profiles/76561198139632274#!/compare/1562457600/1570320000

Sold for 16 keys

sale 8:

https://backpack.tf/profiles/76561198346645819#!/compare/1565827200/1568073600

https://backpack.tf/profiles/76561198387985735#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198074080874#!/compare/1567900800/1568160000

not unusual

sale 9:

https://backpack.tf/profiles/76561198253927199#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198454615761#!/compare/1568073600/1568160000

QS

Sale 10:

https://backpack.tf/profiles/76561198038666068#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198186922501#!/compare/1565827200/1565913600

Bulk

Sale 11:

https://backpack.tf/profiles/76561198186922501#!/compare/1566172800/1566345600

https://backpack.tf/profiles/76561198035407771#!/compare/1566345600/1566604800

Sold for ~35 keys in sweets

https://bot.tf/stats/listings/MGZ5QDQ7

B/O of 30 keys, capping

sale 12:

https://backpack.tf/profiles/76561198145713527#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198168863803#!/compare/1567209600/1567382400

Bulk

Sale 13:

https://backpack.tf/profiles/76561198168863803#!/compare/1569196800/1569283200

https://backpack.tf/profiles/76561198035655378#!/compare/1568505600/1569283200

Sold for 18 keys

sale 14:

https://backpack.tf/profiles/76561198341411993#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198061440669#!/compare/1567468800/1567555200

Sold for DBD Bunsen

https://bot.tf/stats/listings/4OVQGK9Q

B/O of 18 keys

Sale 15:

https://backpack.tf/profiles/76561198132182386#!/compare/1564185600/1564272000

https://backpack.tf/profiles/76561198340634356#!/compare/1564099200/1564185600

QS

sale 16:

https://backpack.tf/profiles/76561198100484031#!/compare/1565049600/1565136000

https://backpack.tf/profiles/76561198059895237#!/compare/1563926400/1565395200

Untrace

sale 17:

https://backpack.tf/profiles/76561198070980833#!/compare/1569456000/1569628800

https://backpack.tf/profiles/76561198035099881#!/compare/1569110400/1569542400

https://backpack.tf/profiles/76561198070980833#!/compare/1569456000/1569628800

tradeback

Sale 18:

https://backpack.tf/profiles/76561198070980833#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198454615761#!/compare/1569974400/1570060800

QS

sale 19:

https://backpack.tf/profiles/76561198454615761#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198043563116#!/compare/1568246400/1570492800

Sold for 10 keys

Sale 20:

https://backpack.tf/profiles/76561198194775141#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198002000885#!/compare/1569110400/1569283200

Sold for 16 keys

Sale 21:

https://backpack.tf/profiles/76561198306872661#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198026953607#!/compare/1566086400/1566172800

Sold for DBD Exec

Sale 22:

https://backpack.tf/profiles/76561198067004955#!/compare/1566604800/1566777600

https://backpack.tf/profiles/76561198167704967#!/compare/1568592000/1569974400

SCM

sale 23:

https://backpack.tf/profiles/76561198167704967#!/compare/1570579200/1570665600

https://backpack.tf/profiles/76561198454615761#!/compare/1570579200/1570665600

QS

Sale 24:

https://backpack.tf/profiles/76561198059098316#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198133979591#!/compare/1567814400/1567900800

Sold for Subatmic Trans + 2 keys

https://bot.tf/stats/listings/M17X6KE1

b/O of ~18 keys

Sale 25:

https://backpack.tf/profiles/76561198133979591#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198040716686#!/compare/1567814400/1567900800

Sold for Mannrobic Unusualifier(~20)

Sale 26:

https://backpack.tf/profiles/76561198040716686#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198252999692#!/compare/1568073600/1568160000

Bulk

Sale 27:

https://backpack.tf/profiles/76561198252999692#!/compare/1568592000/1568764800

https://backpack.tf/profiles/76561198312685638#!/compare/1568764800/1568851200

Sold for 16 keys

Sale 28:

https://backpack.tf/profiles/76561198113899098#!/compare/1564185600/1564272000

https://backpack.tf/profiles/76561198161953994#!/compare/1566259200/1566604800

SCM

sale 29:

https://backpack.tf/profiles/76561198161953994#!/compare/1569024000/1569110400

https://backpack.tf/profiles/76561198071260200#!/compare/1570060800/1570147200

SCM

sale 30:

https://backpack.tf/profiles/76561198071260200#!/compare/1571270400/1571443200

https://backpack.tf/profiles/76561198063640894#!/compare/1571356800/1571443200

SCM

sale 31 - 42:

https://marketplace.tf/items/tf2/1172;5;u3003

$43.48 / $1.80 = 24.16 keys

$39.95 / $1.80 = 22.19 keys <--- https://backpack.tf/item/6413059274 | https://bot.tf/stats/listings/4W668DGZ B/O of 17 keys, capping

$25 / $1.80 = 13.89 keys

$33.95 / $1.80 = 18.86 keys

$25 / $1.80 = 13.89 keys

$33.95 / $1.82 = 18.65 keys <--- https://backpack.tf/item/5186454838

$37 / $1.84 = 20.11 keys

$39.49 / $1.82 = 21.70 keys <--- https://backpack.tf/item/6103875043 | https://bot.tf/stats/listings/4EEEQNKQ B/O of ~17 keys, capping

$42.99 / $1.84 = 23.36 keys

$42.99 / $1.82 = 23.62 keys

$40 / $1.82 = 21.98 keys <-- https://backpack.tf/item/5810616251 | https://bot.tf/stats/listings/YDLOK1ZX B/O of 18 keys, capping

$40.95 / $1.81 = 22.62 keys

Total sales @:

10

14 (x2)

16 (x3)

17 (x2)

18 (x2)

19 (x2)

20 (x2)

23 (x2)

24 (x2)

30

gonna say I have enough sales to call items sales 'use there'

buyers up to 15 keys,

seller for 24 keys, unsold for a month,

calling 14 low,

24 high to balance,

taking 16 - 23 keys.