If you rent the basement room to someone or market the house as a whole counting the basement as a bedroom and a fire breaks out and someone dies or is injured in the basement without an appropriate egress from the room you could be liable for all of that.   

There are no commitals until it works for you and there are no regulations or fees associated with using the app. 

Size it appropriately so that f you lose you’ll live to fight another day.  

Hey everyone,I’ve been diving into San Antonio’s STR regulations to get a clearer picture of how friendly the market is for short-term rentals.

It’s advisable to consult with a tax professional or financial advisor to determine the most appropriate approach for your circumstances.

@Renee LeFevreTo rent out your basement, follow these steps: check local regulations, prepare the basement with separate entrance, screen potential tenants, draft a lease agreement, set the right rent price, consider tax implications, update homeowner's insurance, and build a positive tenant relationship to attract quality renters.Good Luck!

Worst case is I can still rent them as furnished room rentals, or rent the whole house as a furnished rental Check your regulations before you give up.

Act 52 Imposes New Regulations on Real Estate Wholesaling in Pennsylvania - Barley SnyderWhat you need to know about Act 52: Wholesaling!

There should be other options, however with an LLC and fourplex - yes, DSCR is by far most likely to be your best option unless you do the heavy lifting with local banks and credit unions (and these are increasingly not great options for this type of stuff as they move painfully slow and are under lots of regulations and restrictions)2) I haven't yet reached out local banks, but seeing the quotes from brokers makes me wondering if Banks may be better? 

Verify STR regulations in Littleton/Denver and secure permits.