But given that the renovation was done such a long time ago, there are some wear and tear, like Window and HVAC, shower handle and stuff, so we have been updating those one thing at a time, and I'm hoping that this house can handle another 20 year so the $ we poured in for the new set of windows are worth it...Would appreciate any thoughts!

Wow Saber rattling letters to their LP's that will quiet some but other I bet it will have the opposite effect on .The internet/SM cuts both ways great tool for expanding ones business or it can tear it down.

New buyers will just tear out everything you did and re-do with their own colors/materials...I saw it all the time.Save your money.

Once DADU is complete, move into DADU and tear down single family and rebuild single family with ADU.2. 

Unless you have an unfinished basement and or attic where you can access the pipe connections, you will be tearing into walls to run new pipe.

That blood, sweat, and tears that you have put in gives you a competitive advantage in your area and that experience is priceless.

For the staple tear-out issue.

The main house is completed and as far as labor, I spent $40,000 on just labor and that includes everything from full gut demo to finishes.We are talking about a 4BD, 3BTH two story 2400 ft.² home with a bonus room.This was a full gut job, replaced…12 Windows (new construction)2 sliding doorsTook out all carpet throughout.Took out this ugly 2” thick tile from half of the downstairs portion.Removed popcorn throughout the entire houseTook one wall downA little framing workReplaced entry door 80” x 92”Drywall patchingSmooth drywall work50 recessed lightingAll electrical neededAll plumbing neededNew cement walkway instead of one walk to the front door I created two steps with two lights in each step.Install kitchen cabinets, excluding countertopInstall all three vanities3 bathtubs with one being a modern standalone tub in the masterAll tile work (bathroom wall & floor, kitchen backsplash)Installing of all hardware, faucets, showerheads, etcInstalled 8 single panel doors with hardwareAdding self-leveler after tearing out that thick tileNew LVP flooring throughout the entire house except bathrooms,all baseboards, trimsPainting the entire house, painting all the doors, painting the outside trim.Reframing the outside balconyReframing the fireplace to install new linear modern electrical fireplaceand they took care of the two trash bins.I mean, completely redone.The only thing that was not included in the $40,000 is landscaping, counter top cut and install and of course the ADU which I’m currently working on now.So my question for my fellow investors and contractors did I pay too much?

Are they discount compare to in home remodeling or tear down new built?

A typical turnover can be a month or 2 of vacancy and $2-10k in make-ready costs (cleaning, paint, flooring, appliances, towel racks, vanities, etc. that gets beat up and broken norma wear and tear).