Hi Matt,Madison Plumbing (256-895-0466), J Henry Plumbing (256-585-5483), and Boydstun Plumbing (256-400-9606) are all great options to consider, and they’re within about 30 minutes of Huntsville.

I spend roughly $120k on my renovations, but this is for the entire property and developing the secondary suite which certainly costs more (2 new furnaces, all new plumbing, new kitchens and bathrooms with tiled floors and showers).All said and done, I personally love it.

My GUESS would be yes, if you touched the plumbing.

., major systems like plumbing/electrical)Full Gut/Studs Down: $85-$120 per sq. ft.Luxury Finishes: $150+ per sq. ft.For ARV (After Repair Value), you’re absolutely right—it’s all about comparable sales ("comps").

Good points.I'd add square, level, plumb - license, insurance, bond - using permits to follow codepointing out problems the owner doesn't realize they have that are serious. 

Quote from @Robyn Henderson: My family's 3 unit prewar building in Brooklyn recently had plumbing issues and I'm debating renovating each of the bathrooms.

I would be more hesitant if they were added on (new plumbing and electrical) vs just upgrades to existing.

One of the things we do and recommend to our clients is to purchase a home owners warranty to cover all of the mechanical, electrical and plumbing compenents.

Avoid any self-help eviction tactics like changing locks.Maintenance: As a landlord, you’re responsible for ensuring the property meets basic health and safety standards, including working plumbing, heating, and electrical systems.Inspections: While there are no mandatory inspections required before renting, your property should comply with building codes.

However to save money when she had the house built, she left the basement unfinished--it is just studs, insulation, and windows/doors, plus plumbing in the foundation.