(resuggest)

my middle name is profit

Sale 1-2:

https://marketplace.tf/items/tf2/181;5;u63

$59.22 / $1.90 = 31.17 keys // https://backpack.tf/item/3805824126 // sold in a few hours therefore QS

$99.99 / $1.83 = 54.64 keys // https://backpack.tf/item/3805824126 // my b/o was 50 keys

Sale 3:

20 keys? - under buyers

https://backpack.tf/profiles/76561198241622178#!/compare/1598745600/1598832000

https://backpack.tf/profiles/76561198001024018#!/compare/1584144000/1592352000

^ bp not loading

=============================================================================

Scourge:

looks like bp loaded for sale 2:

https://backpack.tf/profiles/76561198001024018#!/compare/1592352000/1599350400

sale seems to be for 20 + HG bucket(18)

I don't think 31 or 50 should be included. They both aren't incredibly accurate; 31 sold quickly, 50 was much higher than the other sales and capped from even higher.

38 flat is what I would do.