Some old buildings have old floor drains with p-traps and if there is no water in it the sewer gas could come in and make it's way to the vents.

Jason Terrell I’m not saying I’ve done it in the past on two occasions but on those occasions I definitely didn’t get my realtor to show me the property then unlock a window on ground floor without them noticing.

If they painted, did flooring, replaced a window, etc those items can add up.

Application / documentationYou will need to submit: a completed STR permit application, letter describing proposed rental use, floor plan, copy of a blank lease agreement, proof of ownership.Fee: The application fee is cited as about $63 for the application / two‐year permit in many guides.Tax obligationsHosts must collect and remit:Florida Sales Tax (6%) on rental stays of six months or less. 

What to look for in a good rent-by-room propertyLook for these features:4–5 bedroom layout (or ability to add bedrooms)Big living room / dining roomAt least 2 bathroomsParking for multiple carsSafe area (huge for co-living)Split floor plan or good separationLow HOA restrictionsAbility to add locks to bedroom doorsThe layout is way more important than fancy finishes.

Animals that pee on the floor, that are aggressive. or that are not well-controlled by their owner are going to be a problem avoid them if possible. 

Then on 1-4 unit's I have DSCR / rental programs as low as a 5.25% floor, after margin final sale is 5.99%.

Two tips: underwrite BRRRRs to work at 70–75% LTV so the refi’s a layup, and shop 2–3 DSCR lenders because DSCR minimums and rent-factor assumptions vary more than people think.What LTV and DSCR are you targeting as your floor on that High Point duplex, and which lenders have you checked so far?

A cosmetic rehab—new kitchen, flooring, bathroom, recessed lighting, and minor plumbing/electrical—costs me close to $30–35k for a 2-bed/1-bath apartment, and that’s considered cheap for many!

First floor condos will be at the highest risk of flooding.