Shut down my old suggestion because I goofed up LOL, thank you Vege and Offline for helping

Bought for $550 USD

Proof of purchase: https://cdn.discordapp.com/attachments/324782084482793473/902220414296670218/unknown.png

Buyout item cap was 300 keys

Screenshot of the buyout: https://cdn.discordapp.com/attachments/324782084482793473/902630079975264296/unknown.png

Gladiator link: https://gladiator.tf/listings/61734f217d4f432a28091dee

Key Prices

Key Buyers:

https://forums.backpack.tf/topic/78488-buying-keys-for-166-paypal/?tab=comments#comment-653989 - $1.66

https://forums.backpack.tf/topic/76054-%F0%9F%92%B2-buying-tf2-keys-for-158-paypal-negotiable/?tab=comments#comment-644057 - $1.58

https://forums.backpack.tf/topic/76871-buying-keys-161-each-buying-special-keys-ref-tools-backpacks-paypal/ - $1.61

https://forums.backpack.tf/topic/79352-buying-keys-for-159-paypal-right-now/?tab=comments#comment-658055 - $1.59

https://forums.backpack.tf/topic/79304-buying-backpacks-and-keys-164-via-paypal-no-rep-needed-10000-in-stock/?tab=comments#comment-657727 $1.64

Median: $1.61

Key Sellers:

https://forums.backpack.tf/topic/79561-selling-keys-for-cash-msg-me-if-youre-interested-cashapp-paypal-17-18-key-depending-on-fees-and-where-you-are-from/ - $1.7

https://forums.backpack.tf/topic/79331-selling-keys-160-paypal-venmo-sold/?tab=comments#comment-657925 - $1.6

https://forums.backpack.tf/topic/78961-wts-selling-tf2-keys-for-155133%E2%82%AC-paypal/?tab=comments#comment-656133 - $1.55

https://forums.backpack.tf/topic/78873-%F0%9F%94%A5selling-via-paypal%E3%80%8Emann-keys-167-5000-stock%E3%80%8F%E3%80%8Etour-of-duty-tickets-075%E3%80%8F25trusts%E2%9C%85/?tab=comments#comment-655719 - $1.67

https://forums.backpack.tf/topic/78468-selling-300-keys-for-paypalcrypto-159/?tab=comments#comment-653859 - $1.59

Median: 1.6

So item price would cap at 300 keys.