These are all amazing ideas, I really like the gift card integration and I hope that could become reality. @alexs referenced this photo @/hugo uploaded before when responding to me about pinning loyalty cards in your feed and I think it’s a good place for additional balances to be held for easy checking.
Also number 8 reminds me of the ko-fi site. You give artists a virtual coffee/ coffees and this one-off donation is good for people who want to support their favourite artists, but don’t like or cannot afford monthly payments to them via Patreon. I like it 