You need proper egress even to call it a bedroom so once you start venting cooking, lining gas, and doing plumbing, the town will be very tough and as I said, unlikely to want a single-family to become a multi.

Zillow is showing $60k over seller's anchor priceRedfin is showing $120k over seller's anchor price (I know it wouldn't sell for that much)Realtor.com is showing $80k over seller's anchor priceI think the bones are good, but it's stuck in the 70's - Seller is a chain smoker.

I'm not much of a cigar smoker but I can take one down in the name of real estate. 

That's a giant red flag for that grocer potentially declining to renew their lease, vegan gluten free customers don't want to walk through a cloud of cigarette smoke to get to their ethically sourced non-GMO organic avocado, and obviously the "no smoking within 50 feet" sign is going to be ignored by the customers of that neighboring business, who are all a bunch of smokers.

But nobody would infer it's anything remotely close to going to grocery store, picking out ingredient's, cooking all up, creating the meal in totality. 

“I’ve cooked whole hog in a lot of places, but none quite like Broadway,”Tennessee is known for its’ BBQ, mainly in Memphis.

I clean all shared areas of the home, cook occasional meals for guests, lawncare, maintenance, and shop for them (consistently provide milk, bread, basics etc)?

"As a non-smoker I can tell that someone has been smoking in here..."

Hmmm, guess you didn't notice that @Michael Plaks is an "Enrolled Agent".There are hot dog vendors, there are fast food cooks, there are sit down resaurant cooks and there are fine dining chefs. 

Quote from @Nicholas Cook: If you have a tub/shower combo I would consider 2 things.