https://marketplace.tf/items/tf2/30019;5;u17

https://backpack.tf/item/6244024116

$69.99 / $2.11 = 33.17 keys

https://backpack.tf/profiles/76561197994697258#!/compare/1604534400/1604620800

https://backpack.tf/profiles/76561198351982960#!/compare/1603929600/1604534400

Slightly outdated, but was in-date at the time of the previous suggestion

Fifth Dimension Bat Hat - 25.5 keys https://backpack.tf/suggestion/5fe1fe88f39bc354ef7aa761

Professional Killstreak Backburner - 1.73 keys https://gyazo.com/99c35b5600a81fa8cdb54badd58cc52a

7 keys, sale = 34 keys

https://backpack.tf/profiles/76561198351982960#!/compare/1607126400/1607558400

https://backpack.tf/profiles/76561198325923276#!/compare/1607299200/1607472000

Added ~8 keys of unique KS weapons for GE Hot Dogger, using there

ends up low here and high there, not using for either

https://backpack.tf/item/7363397694

went to a user who is apparently a scammer but is not sr marked according to BP

im just not gonna use that