Sale 1:

https://backpack.tf/profiles/76561198036117309#!/compare/1567900800/1568073600

https://backpack.tf/profiles/76561198084253479#!/compare/1567900800/1567987200

Sold for C9 Boron + 4 keys

Boron Mini:

https://backpack.tf/suggestion/5db146136780722e976d6623

Suggestion for 8.25 keys

Total is 12.25 keys

Sale 2:

https://backpack.tf/profiles/76561198084253479#!/compare/1567987200/1568073600

https://backpack.tf/profiles/76561198144525135#!/compare/1567987200/1568073600

Sold with 2 keys for TW Crasher

use there

Sale 3:

https://backpack.tf/profiles/76561198144525135#!/compare/1568160000/1568505600

https://backpack.tf/profiles/76561198293535140#!/compare/1568419200/1568505600

Sold with 3 keys for KaW Slick

Slick Mini:

https://backpack.tf/suggestion/5db1631267807255dd41a716

Suggestion for 12.5 keys

Total is 9.5 keys

Sale 4:

https://backpack.tf/profiles/76561198293535140#!/compare/1568505600/1568678400

https://backpack.tf/profiles/76561198114635132#!/compare/1568592000/1568678400

Sold for ~10.5 keys

Sale 5:

https://backpack.tf/profiles/76561198114635132#!/compare/1568764800/1568851200

https://backpack.tf/profiles/76561198164364636#!/compare/1568764800/1568851200

Sold with ~1 key in sweets for Searing Gonzilla

use there

Sale 6:

https://backpack.tf/profiles/76561198164364636#!/compare/1568764800/1568851200

https://backpack.tf/profiles/76561198337734785#!/compare/1568764800/1568851200

QS

Total sales @:

9.5, 10.5, 12.25 keys

https://i.imgur.com/ijfVMs3.png

unsold for 11 keys for at least 2 weeks,

taking 10 - 11 keys (rounding the numbers as per rules)