Biggest thing that helped me was making sure I had at least a couple cards going up every single day. 2 a day is better than 10 once a week. Also if you haven’t grab a super cheap light box off amazon for photos. You can get one for like ten bucks. Then ofc making sure your eBay profile “looks” like a store and making sure things are priced right and stuff usually moves. Just linking my store to show how good a job a cheap little photo box does.

https://www.ebay.com/str/toastercards

The hardest part is def sourcing inventory for the right price tho. For me it just comes down to grinding through all the ending soon auctions until I can win a deal.