Resuggestion, thanks to Fish Crimes for the correction!

I just went to an emotional wedding.

Even the cake was in tiers.

Sale 1:

https://backpack.tf/profiles/76561198151373000#!/compare/1576281600/1576368000

https://backpack.tf/profiles/76561198084465988#!/compare/1574294400/1576368000

Keys(?)

Sale 2:

https://backpack.tf/profiles/76561198084465988#!/compare/1576368000/1576800000

https://backpack.tf/profiles/76561198347666710#!/compare/1576800000/1576886400

Untrace

sale 3:

https://backpack.tf/profiles/76561198080179568#!/compare/1571875200/1571961600

https://backpack.tf/profiles/76561198139651252#!/compare/1571702400/1571961600

Sold for 8 keys

Sale 4:

https://backpack.tf/profiles/76561198139651252#!/compare/1571961600/1572393600

https://backpack.tf/profiles/76561198335038962#!/compare/1572220800/1572393600

Sold with 2 keys for Miami Tailor + ~0.49 keys in sweets

Tailor Mini:

https://backpack.tf/suggestion/5e0c0d839b674568f36467ee

Suggestion for 9.25 keys

Total is ~8 keys

sale 5:

https://backpack.tf/profiles/76561198335038962#!/compare/1574553600/1577836800

https://backpack.tf/profiles/76561198866191815#!/compare/1574640000/1575244800

Untrace

Sale 6:

https://backpack.tf/profiles/76561198012531476#!/compare/1571788800/1576800000

https://backpack.tf/profiles/76561198002757046#!/compare/1571702400/1571788800

QS

sale 7:

https://backpack.tf/profiles/76561198002757046#!/compare/1571961600/1572048000

https://backpack.tf/profiles/76561198079937590#!/compare/1572048000/1572220800

Keys

sale 8:

https://backpack.tf/profiles/76561198050061475#!/compare/1570233600/1572912000

https://backpack.tf/profiles/76561198004290305#!/compare/1570147200/1570233600

Bulk

sale 9:

https://backpack.tf/profiles/76561198242101594#!/compare/1557100800/1573516800

https://backpack.tf/profiles/76561198157599811#!/compare/1574380800/1574640000

SCM

Sale 10:

https://backpack.tf/profiles/76561198157599811#!/compare/1575244800/1575590400

https://backpack.tf/profiles/76561198156869442#!/compare/1571961600/1576281600

Untrace

Sale 11:

https://backpack.tf/profiles/76561198002757046#!/compare/1569974400/1570060800

https://backpack.tf/profiles/76561198120684499#!/compare/1569456000/1570060800

Sold for ~8 keys

Sale 12:

https://backpack.tf/profiles/76561198120684499#!/compare/1570060800/1570320000

https://backpack.tf/profiles/76561198838394491#!/compare/1570233600/1570320000

Sold for 9 keys

Sale 13:

https://backpack.tf/profiles/76561198838394491#!/compare/1570665600/1570752000

https://backpack.tf/profiles/76561198082095496#!/compare/1570579200/1570665600

Bulk

sale 14:

https://backpack.tf/profiles/76561198082095496#!/compare/1570665600/1570752000

https://backpack.tf/profiles/76561198946517877#!/compare/1570147200/1570752000

Bulk

Sale 15:

https://backpack.tf/profiles/76561198946517877#!/compare/1570752000/1570924800

https://backpack.tf/profiles/76561198217346949#!/compare/1570665600/1570752000

https://backpack.tf/profiles/76561198154342622#!/compare/1570320000/1570752000

Bulk

sale 16:

https://backpack.tf/profiles/76561198154342622#!/compare/1571011200/1571097600

https://backpack.tf/profiles/76561198100564024#!/compare/1570838400/1571184000

Untrace

sale 17:

https://backpack.tf/profiles/76561198100564024#!/compare/1571356800/1571443200

https://backpack.tf/profiles/76561198817510262#!/compare/1571270400/1571356800

QS

Sale 18:

https://backpack.tf/profiles/76561198817510262#!/compare/1571356800/1571443200

https://backpack.tf/profiles/76561198125963939#!/compare/1565136000/1571616000

Keys(?)

Sale 19:

https://backpack.tf/profiles/76561198292321269#!/compare/1573084800/1574121600

https://backpack.tf/profiles/76561198425608710#!/compare/1568851200/1574121600

https://backpack.tf/profiles/76561198956487151#!/compare/1570233600/1577059200

Untrace

sale 20:

https://backpack.tf/profiles/76561198956487151#!/compare/1577059200/1577836800

https://backpack.tf/profiles/76561198131081286#!/compare/1576972800/1577059200

Keys?

Sale 21:

https://backpack.tf/profiles/76561198131081286#!/compare/1577059200/1577145600

https://backpack.tf/profiles/76561198188806231#!/compare/1577059200/1577145600

Sold for DP Steel Shako + 2 keys

use there, all sales above unsold: https://pastebin.com/J47yrLDJ

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

B/O of 13 keys

Sale 22:

https://backpack.tf/profiles/76561198188806231#!/compare/1577145600/1577232000

https://backpack.tf/profiles/76561198085187877#!/compare/1577145600/1577232000

Bulk for keys

sale 23:

https://backpack.tf/profiles/76561198085187877#!/compare/1577232000/1577404800

https://backpack.tf/profiles/76561198136254822#!/compare/1577232000/1577318400

Bulk for keys

Sale 24:

https://backpack.tf/profiles/76561198136254822#!/compare/1577318400/1577491200

https://backpack.tf/profiles/76561198796395930#!/compare/1577404800/1577491200

https://backpack.tf/profiles/76561198173442901#!/compare/1577404800/1577491200

Bulk

Total sales @:

8, 8, 8, 9 keys

Taking 8 - 9 keys