(b) It shall be unlawful for any person through a pattern of racketeering activity or through collection of an unlawful debt to acquire or maintain, directly or indirectly, any interest in or control of any enterprise which is engaged in, or the activities of which affect, interstate or foreign commerce.
You can rent a booth at a flea market for as low as $5/day depending on the location of the market. The money that you make can vary depending on the items that you sell, the competition that you have, and the demand for the items that you sell.
In other words, even if the fee from the lease co. is $595, the dealer can tack on another $100 or more. You need to find out what the true fee is so you can negotiate down to that amount. You may want to get a little wacky and ask them to absorb the acq fee by going $1700 behind invoice.