Connect to auction software
connect to silent auction/ web auction software like Charity Auction
Group member would bid on an item, enter their credit card/paypal info. Upong closing the bidding the highest bidder would be charged. Settings to control minimum increment, starting bid.
AdminEvgeny Zaritovskiy (VP Technology of Wild Apricot by Personify, Wild Apricot by Personify) commented
Can you provide some example how the integration is going to be used? This will help to understand the idea better.