It looks like you are doing an affordable build based on the cost but hard to say since you didnt provide info on the build itself such as square footage and finishes.

Point is, (a) it's all but impossible for the investment to go to $0 and (b) you have direct, impactful CONTROL of outcome. 2nd: Back to the CONTROL aspect.

We do a tenant orientation at the property when they sign the lease and go over the specifics, one of them is no modifications, no painting walls and ... nail holes.We actually provide them with 2 packs of command strips and show them how to use them.

Partner Driven provided market expertise and handled the logistics for a rapid flip.

If you sell your only overachiever to go with a more leveraged position, you could have 2-3 properties that may cover themselves or even provide a little profit, but when the rental markets shift (and they do), now you have 2-3 properties that all require you to supplement for their shortages. 

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

Some builders risk policies don't provide for live in.

I would find out who the manufacturer is and send it to them and confirm they will provide a warranty on this.

Is her goal to be nice and provide some of the gains or reduce her taxes by trying to split income between her and her ex?

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provide support for the property tax appeals process.