Ah, the usual "Oh, poor, poor Walmart! You are asking them to spend money! They would bankrupt if they spend even $10 on it!" And no, there is no such thing as

Ah, the usual "Oh, poor, poor Walmart! You are asking them to spend money! They would bankrupt if they spend even $10 on it!" And no, there is no such thing as "two incompatible e-pay methods", any POS terminal sold in the last 10 years has support for NFC contactless payment and it doesn't matter for terminal what exactly do you use. What matters is the agreement between merchant and bank to actually allow these methods and paying fees, look at https://news.ycombinator.com/item?id=33294877 https://news.ycombinator.com/item?id=33294877