In Brooklyn I noticed that if you pay cash for food at a deli it’s always an even number. $7, $8, $12 etc etc. and he give you change without touching the register. Use a debit or credit card and it’s 7.89, 8.91, 12.99... and it gets rung up.
On another note I was in my bank but an NYC midtown Manhattan branch and this lovely women was helping me with some issues I was having. The discussion of store rent came up and she said they closed their SoHo branch in NYC because the property
owner jacked the rent to 90k a month!!