Yes lightning, the network of centralized trusted third party banks that are needed to make bitcoin useable so long as you deposit all the bitcoin you want to use into one of these centralized banks first, at which point they can make bank to bank transfers without having any involvement with the actual bitcoin network at all.

Or you could do basically the same process with an actual Debit card, which does the same thing but can be used in actual stores.

You also need to note that for something posturing itself as a currency, the fact that you either have to wait hours or days for the price per transaction to come down or spend an even more absurd transaction fee on you’re cup of coffee before you can check out is actually a rather fundamental problem.