i know a few of the guys around here that do that. the one that seems most "successful" is there in the same place, rain or shine every week from 10 til 3, 3 days a week. says he lives well on that. he might also be a billionaire thats bored. we set up a few times on a buddys shed lot about 1/2 mile from a flea market. did well there. until the health department stopped by during the week to ask about the bbq deal on the weekends.. we stopped. we were making about 300 after costs on a saturday. pretty good for 6 hours or so. $4 sammies, $6 plates.. sauce and bulk for sale etc.. hauled the smoker, pop up and a coulple tables. the plan was to turn on of the buildings into a "resturaunt" sorta. knew at some point the HD was gonna cause issues. it was prolly some taco vendor at the flea market that ratted us out.. good luck..!!
ex-Stickburner converted to Backwoods gang (Gen2 Chubby and Party), UDS, Homegrown 250 gal Offset.