Good luck with whatever decision you choose.

@Jared Smith it depends is pretty spot on!!!  

However, between the much lower mortgage interest rate in Europe and a better tax treatment in the US, I'd choose the former.

You also get $50 automatically when signing up with Invelo, no matter which plan you choose.

The reason I ask is that knowing the fast movers of the area may help you choose your project.Lastly, what kind of renovation budget have you established, and is it an upfront budget, or will you be contributing to it over the time that you live in the property and renovate it? 

Question: why would one choose to build an ADU when existing structures sell for less than the cost of development?

It depends what your goal is.

Depending on how the water is getting in, there may be cheaper methods for sealing the basement walls from inside.Keep shopping until you find someone trustworthy with solutions.I would also consider going after the first contractor because they robbed you.

Both Conventional loans and DSCR loans can offer this flexibility, depending on the specific scenario and borrower qualifications.

new construction gets valued at a way higher premium. this is a false statement. new construction will always beat existing Very market dependent.