Name: Jen
Card Post and Logs: card post, currency log!

Purchasing: +1 Permanent Release Slot
Paying with: x3, x3, x3, x2, x2, x2

(3x purple, 3x brown, 3x green, 2x orange, 2x pink, 2x salmon = 15)

Purchasing: Crossover Coupon
Paying with: x5, x5, x5

(5x brown, 5x green, 5x orange = 15)

Purchasing: +1 Card in Games x 1 Month
Paying with: x4, x4, x4, x4, x4

(blue x4, brown x4, purple x4, salmon x4, yellow x4 = 20)

Purchasing: +1 Claim on the Singles' Claims x 1 Month
Paying with: x5, x5

(green x5, pink x5 = 10)

Purchasing: Double Rewards x Maxing Out Deck Donations
Paying with: x4, x4, x2, x3, x2

(blue x4, brown x4, green x2, orange x3, yellow x2 = 15)

I hope my math is right!