Selling a product for cryptocurrency is a great idea no matter the business you are in. Forra makes it easy to sell a product for bitcoin or ethereum.
source https://www.google.com/url?rct=j&sa=t&url=https://forra.io/selling-products-for-crypto/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFTtIt75rUtQ_1wU7HUll2hgYZ5kg