This needs an update.

Sale #1:

https://backpack.tf/profiles/76561198232041512#!/compare/1506211200/1506297600

https://backpack.tf/profiles/76561198082050096#!/compare/1506124800/1506384000

Sold with a Cloud 9 Hat with No Name for a Stormy 13th Hour Frenchman's Beret

Total: 107.5 - 37 = 70.5

Rounding it up to 71 keys

Sale #2:

https://backpack.tf/profiles/76561198232041512#!/compare/1507420800/1507507200

https://backpack.tf/profiles/76561198164622774#!/compare/1507420800/1507507200

Sold for a Kill-a-Watt Hong Kong Cone, a Blizzardy Storm Anger and a Smoking Trophy Belt, ~6 keys worth of sweets were added

Total: 56 + 28 + 14 - 6 = 92 keys

Mini Suggestion for the Smoking Trophy Belt:

https://backpack.tf/profiles/76561198269583230#!/compare/1508025600/1508112000

https://backpack.tf/profiles/76561198232041512#!/compare/1508025600/1508112000

Sold for 12 keys, 57 refined and a Haunted Face Plante

Total: ~14 keys

Couldn't find a suitable mini for the Anger:

https://backpack.tf/profiles/76561198164622774#!/compare/1505952000/1506124800 (Outlier)

https://backpack.tf/profiles/76561198395023947#!/compare/1505001600/1505174400 (Bulk)

https://backpack.tf/profiles/76561198075998447#!/compare/1505001600/1505088000 (Bulk)

https://backpack.tf/profiles/76561198047717809#!/compare/1506556800/1506643200 (Low)

https://backpack.tf/profiles/76561198012169887#!/compare/1506902400/1507075200 (Low)

https://backpack.tf/profiles/76561198018456402#!/compare/1507334400/1507420800 (Low)

Using the current price for it which is 28 keys