It also has a newer 30'x40' garage which I desperately need for storage space. 

I have basement waterproofers, HVAC, tree removal and a garage builder coming to take a look this week. 1.

Do they have any 'bonuses' like attached garage, washer/dryer, etc.The price you paid for the house has nothing to do with the rental price. 

@Jeremiah Williams rather than from a sink, it’s more likely that the smell is coming from a floor drain in the basement, garage, utility, or laundry room.

I have several properties in need of a mix of full roof, partial roof or roof and garage roof replacement.   

How much would adding in plumbing for a kitchen/bathroom into a basement unit and bathroom into the "garage BnB" cost?

.* You can have terrible neighbors who start a side business selling Meth or, potentially more impactful, have the next door teenager start their own garage band.* If your life circumstances change, e.g. your wages fall and you can’t afford the mortgage, then you’re stuck in the situation until you’re able to sell.* Have you ever seen those scummy “buy your home for cash” ads?

Rentometer says my place would rent for $1,908, Zillow says $2,300 which seems way too high, then Zillow rental comps are around $2,000-2,100.  2 bed, 2.5 bath, with garage, near the beach.  

Didn’t Amazon start out in a garage?

Those have been on my radar to research for sure, as a friend of mine has already expressed interest in a garage addition.As far as the smart home updates, I would definitely sub out that install work.