It varies and you can't always find the same price. The last price I paid for Nanos on Amazon was 5 for $17. Aliexpress is cheaper than that (that's where they'

It varies and you can't always find the same price. The last price I paid for Nanos on Amazon was 5 for $17. Aliexpress is cheaper than that (that's where they're usually under $3), but I can't always wait that long. My bad: forgot we were talking 32U4. Here's a link for $2.70: https://www.aliexpress.com/item/32846843498.html?src=google&src=google&albch=shopping&acnt=494-037-6276&isdl=y&slnk=&plac=&mtctp=&albbt=Google_7_shopping&aff_platform=google&aff_short_key=UneMJZVf&&albagn=888888&albcp=1582410664&albag=59754279756&trgt=743612850714&crea=en32846843498&netw=u&device=c&gclid=EAIaIQobChMI6N7YrMzQ5QIVjh6tBh25dQIwEAQYAyABEgKXhfD_BwE&gclsrc=aw.ds https://www.aliexpress.com/item/32846843498.html?src=google&...