Resuggestion with more info! Thanks Blaze :D

Sale #1 - moved from alt to main

https://backpack.tf/profiles/76561198247389046

https://backpack.tf/profiles/76561198067682822

Sale #2 - https://marketplace.tf/items/31024;5;u11

16.2 / 1.8 = 9 keys

Sale #3 - Smoking Sergeant + craft hat

https://backpack.tf/profiles/76561198089253101#!/compare/1546646400/1546732800

https://backpack.tf/profiles/76561198402889909#!/compare/1546732800/1546819200

Taking 14.5, rounded to 15 keys

Sale #4 - 1 for 1 with DBD Metal Billy Cock (Using On Billy)

https://backpack.tf/profiles/76561198402889909#!/compare/1547251200/1547337600

https://backpack.tf/profiles/76561198084129819#!/compare/1547078400/1547424000

-----

New Sale!

https://marketplace.tf/items/31024;5;u11 - sale at $19.99 as well as a seller at $20

19.99 / 1.79 = 11.15 keys

---

Overall Now Taking 11 - 15 keys!