Question : what are the conditions to sell on Flea Markets in New York?
Does anyone knows rental prices for booth (outside) and credit card machine rental fees in any of NY flea markets?
credit card machine rental

Best answer:

Answer by schav_2000
you might want to call them directly for the latest prices:

http://www.fleamarketguide.com/NY.aspx#NewYork

They vary depending on the market.