Maybe it would be a good idea to add a partner CEX to the app/browser extension (like it’s done on trustwallet, I don’t really know how it’s done there, just that the fees are extremely low and you can buy/sell a lot of different assets, it’s not trying to the best price on DEXes either) where you can buy crypto with ur stablecoins inside the platform, would be extremely practical and consume 0 gas fees (in the exemple of Eth, which has some quite high gas fees) and charge you the fees on top of the cryptocurrency you’re using. Sometimes you run out of Eth to cover gas fees so u can’t even swap stablecoins for Eth inside DEXes, just would make things more practical.