Think of it like running a mini-dorm or co-living setup, higher cash flow, higher touch.Here’s what you should expect:1.

They get better over time, the longer you own it (debt costs hopefully stays same, rent stays up with inflation, appreciation, depreciation, loan pay down mostly from tenant, & is a little mini savings account).

Remember, housing supply has already peaked; the mini-COVID policy-driven construction boom is over.

What most people do in Tampa: “Garage Upgrade” (not a conversion)What you described is common and usually permitted like this:What people pull permits for (the safe part):InsulationElectrical upgradesA/C extension or mini-splitReplacing garage door with French doors / windowsPlumbing for bathroom + laundryEgress improvementsFire-rated drywall if requiredWhat they avoid pulling permits for:A second kitchenClosing off the unit with separate entry in a way that suggests two dwellingsAnything on plans that looks like a duplex configurationThis strategy keeps the ADU compliant, while letting you rent “rooms” within one unit.3.

Outdoor amenities are a key ROI driver in nearly all markets.None of your amenities strike me as moving the needle for guests to pay more.However, I WOULD consider these ROI-increasing amenities:Cohesive, well-designed interiors, hot tub, golf simulator, pickleball court, mini-putt, sport court, game room, ping pong, bunk beds, kids' playground, pool, washer, dryer, and neon sign

Min, I would love any and all experience you're willing to share with me! 

Mainly, added a wall to officially make it a two bedroom, added two hardwood doors on the bedroom, a closet door, propane stand-alone heat stove (all it had for heat before was a mini-split which is still there), and added some new paint.

It can grow.These things start small and then suddenly the driveway is a mini farmers-market pickup zone.

Comparing STR to standard housing stock is comparing Retail space too Cold/mini storage.

You are essentially managing multiple mini-tenants under one roof.