Resuggestion, thank you to Randy for the info!

Sale 1:

https://backpack.tf/profiles/76561198045883624#!/compare/1535932800/1536105600

https://backpack.tf/profiles/76561198154378057#!/compare/1536019200/1536192000

Untrace.

Sale 2:

https://backpack.tf/profiles/76561198089630547#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198097007697#!/compare/1534032000/1536969600

Untrace

Sale 3:

https://backpack.tf/profiles/76561198165597659#!/compare/1533168000/1533254400

https://backpack.tf/profiles/76561198203307876#!/compare/1533168000/1533254400

Sold for 13 keys

Sale 4:

https://backpack.tf/profiles/76561198203307876#!/compare/1535068800/1536883200

https://backpack.tf/profiles/76561198396619383#!/compare/1536796800/1536883200

Sold for KaW Nano + ~6 keys in sweets

Nano Mini:

https://backpack.tf/suggestion/5ba5cdc7cf6c752ec27b6f22

Suggestion for 11 keys

Total is 18 keys.

Sale 5:

https://backpack.tf/profiles/76561198396619383#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198267257155#!/compare/1536883200/1536969600

Untrace.

Sale 6:

https://backpack.tf/profiles/76561198267257155#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198838788284#!/compare/1536883200/1536969600

Sold with 6 keys + Ge Helm for Burning Sterling

use there.

Sale 7:

https://backpack.tf/profiles/76561198838788284#!/compare/1537056000/1537142400

https://backpack.tf/profiles/76561198159317851#!/compare/1536969600/1537142400

Sold with DP Copper + 1 key for SFB

Mong Mini:

https://backpack.tf/suggestion/5ba5c401cf6c7528ac5c2f11

Suggestion for 21 - 22 keys

Copper Mini:

https://backpack.tf/suggestion/5ba7fdd244325a385e6745df

Suggestion for 9 keys

Total is 21.5 - 10 = 11.5 keys

Sale 8:

https://backpack.tf/profiles/76561198159317851#!/compare/1537228800/1537315200

https://backpack.tf/profiles/76561198053717045#!/compare/1537142400/1537315200

Sold for Neutron HWAH

Sale 9:

https://marketplace.tf/items/30930;5;u19

One usable sale at 53 USD

Keys at 1.90 USD

Total is 27.98 keys

Sale 10:

https://backpack.tf/profiles/76561198179707937#!/compare/1539129600/1539216000

https://backpack.tf/profiles/76561197964171516#!/compare/1539216000/1539302400

Sold for 18 keys

Sale 11

https://backpack.tf/profiles/76561198220612564#!/compare/1535673600/1535932800

https://backpack.tf/profiles/76561198089630547#!/compare/1535673600/1535760000

Untrace

Sale 12:

https://backpack.tf/profiles/76561198089630547#!/compare/1539043200/1539734400

https://backpack.tf/profiles/76561197964171516#!/compare/1539216000/1539302400

Sold for 18 keys

Sale 13:

https://backpack.tf/profiles/76561198053717045#!/compare/1537747200/1537833600

https://backpack.tf/profiles/76561198201223507#!/compare/1537747200/1537833600

Sold for KaW Powdered(19)

Sale 14:

https://backpack.tf/profiles/76561198201223507#!/compare/1537747200/1537833600

https://backpack.tf/profiles/76561198798016614#!/compare/1537747200/1537833600

Sold for Grail Solo + keys

This was your buy, Ankle Jack, can you tell me what it was for?

Sale 15:

https://backpack.tf/profiles/76561198798016614#!/compare/1537920000/1538006400

https://backpack.tf/profiles/76561198339029042#!/compare/1537920000/1538092800

Sold for Tesla Pampered, which was immediately sold for 17 keys, so taking that.

Sale 16:

https://backpack.tf/profiles/76561198339029042#!/compare/1538092800/1538265600

https://backpack.tf/profiles/76561198287205590#!/compare/1537747200/1538265600

Sold for 72' Box Trot(7.5) + ~11 key in sweets

Total is 18.5 keys

Sale 17:

https://backpack.tf/profiles/76561198287205590#!/compare/1537747200/1538265600

https://backpack.tf/profiles/76561198063107526#!/compare/1539302400/1539388800

Sold for Steaming Tundra + 3 keys

Sale 18:

https://backpack.tf/profiles/76561198063107526#!/compare/1539302400/1539388800

https://backpack.tf/profiles/76561198133540930#!/compare/1539388800/1539475200

Sold for 19 keys

Sale 19:

https://backpack.tf/profiles/76561198133540930#!/compare/1539561600/1539648000

https://backpack.tf/profiles/76561198316222271#!/compare/1539475200/1539734400

Sold for 21 keys

Total sales @:

11.5, 13, 17, 18, 18, 18, 19, 19, 21, 27.98 keys

Randy's Part:

ehh with there being a bunch of sales at 18 and the buyer, id cut anything under 18 off and go 18-21 here