Even though the FMRs are $730, I was conservative and used $600 for my Pro Forma- The current owner hasn’t raised them at all because he didn’t want any turnover- outside of cleaning and painting, no big costs- Not Section 8 

If it costs $100,000 to install an ADU and it rents for $1,000 a month, then it may be worth it.

I don’t have any horror stories but every time I go to run a check the cost has gone up.

Oil heating costs are outrageous and you also have to deal with leaking tanks which can be a nightmare.

They accept it as a cost of there decision. 

With that, you could cover the costs for renovations, closing costs, or even set up escrow for those senior living sponsorships.

One month of vacancy will cost you $2,600 + $200 utilities.

When I inquired about it, plumber said lining, it is usually not prefect since this is PVC breakage not just pipe cracks and the cost saving is not significant enough and maybe headache down the road.I will try to get more quotes and maybe a company that specializes in pipe lining options.I was told foundation work / under slab pipe repair is common in the Dallas TX area due to soil type.

About the same as if you rent it, less costs.

Assuming you sold the home at the end of 5 yearsYour NET ROI would be:0% appreciation: 10.93%1% appreciation: 12.13%2% appreciation: 13.33%3% appreciation: 14.53%This ROI calculation takes into account taxes, insurance, selling costs, repairs (calculated at $3500) through out the lease.