Resuggestion, thanks to K1NG for the info!

Sale 1:

https://backpack.tf/profiles/76561198002757046#!/compare/1523232000/1523318400

https://backpack.tf/profiles/76561198041766876#!/compare/1523318400/1523404800

Sold for 17 keys

Sale 2:

https://backpack.tf/profiles/76561198041766876#!/compare/1523577600/1523664000

https://backpack.tf/profiles/76561198299604510#!/compare/1523577600/1523664000

Sold for 8 keys

Sale 3:

https://backpack.tf/profiles/76561198299604510#!/compare/1523664000/1523750400

https://backpack.tf/profiles/76561198392570003#!/compare/1523664000/1523750400

Sold for Hot RL, but cannot trace the CH Fez. Not using on account of uncertainty.

Sale 4:

https://backpack.tf/profiles/76561198392570003#!/compare/1523664000/1523750400

https://backpack.tf/profiles/76561198002757046#!/compare/1523664000/1523750400

Untraceable.

Sale 5:

https://backpack.tf/profiles/76561198002757046#!/compare/1524441600/1524528000

https://backpack.tf/profiles/76561198304009353#!/compare/1524873600/1524960000

Untraceable.

Sale 6:

https://backpack.tf/profiles/76561198304009353#!/compare/1527552000/1527638400

https://backpack.tf/profiles/76561198353077078#!/compare/1527465600/1527724800

https://steamcommunity.com/market/listings/440/Unusual%20Flower%20Power%20Revolver%20%28Minimal%20Wear%29

SCM sale for 66.30 CAD

Keys at 3.81 CAD

Total is 17.40 keys.

Sale 7:

https://backpack.tf/profiles/76561198353077078#!/compare/1528243200/1528329600

https://backpack.tf/profiles/76561198069800407#!/compare/1528156800/1528329600

Sold for Aces Powdered + negligible sweets

Powdered Mini:

https://backpack.tf/suggestion/5b1d735344325a408f5b7ecd

Suggestion on Powdered for 14 keys

Total is 14 keys.

Sale 8:

https://backpack.tf/profiles/76561198069800407#!/compare/1528416000/1528502400

https://backpack.tf/profiles/76561198386044837#!/compare/1528329600/1528502400

Sold for P Fetti Warming + ~ 8 keys in sweets.

Warming Mini:

https://backpack.tf/profiles/76561198091539797#!/compare/1525392000/1525478400

Sold for 9 keys

Total is 17 keys.

K1NG's Part:

Sale 3 is closer to 21 keys ($51.02/2.44)

Other sales: Not sure, Hot Dogger doesn't match

https://backpack.tf/profiles/76561198386044837#!/compare/1531094400/1531180800

https://backpack.tf/profiles/76561198093926010#!/compare/1531094400/1531180800

22 keys

https://backpack.tf/profiles/76561198143680034#!/compare/1531526400/1531612800

https://backpack.tf/profiles/76561198103918688#!/compare/1531526400/1531612800

14 is close/below buy orders, so 17-22 should be fine here.

Taking 17 - 22 keys.