From hidden structural issues to last-minute design changes, these can add up quickly.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

I also quite liked the unique property design.

You can usually get the zoning destination with the property listing, then look that designation up in the town's zoning code to see which uses are allowed there.Basement habitation - There is a concern that limited egress, fire and CO are major risks to bedrooms and habitation in general of basements.

I am a business intelligence pro & designer who is a host and passionate about STRs.

I actually ended up working with a DFY arbitrage program that finds the right property, negotiates the least terms with the landlord, and even has an interior design department to set up your listing.

Make sure the lease includes all maintenance and they need to be in charge of all interior repairs.  

Her undergrad is in design with a heavy dose of building codes, etc.

So I'll tell you now in case there's still time to do something about it:The problem I still have, that I can't solve (but maybe you still have time), has to do with the HVAC system.When you have a single house, and you're renting out the basement, you are asking the house to do what it is typically not designed to do in terms of the HVAC:  1.

Septic design.