While you prefer data, consulting local realtors can provide valuable on-the-ground insights.

We don't spend more than we need to, but she wants to create unique products that both create solid financial returns and provide personal satisfaction and portfolio pieces for her social accounts, which fuel design consultation work, which also helps her earn money.Additionally, one thing we do in our houses, to project a high quality product into the world is very good fit and finish work.  

It’s advisable to consult with a tax professional or real estate attorney to ensure the arrangement meets both your needs and complies with tax laws.In a seller financing deal, once you start making payments, any equity you build in the property does indeed go to you, not the seller.

To get a rough estimate of how much you can offset, you should use a depreciation calculator or consult with a tax advisor.

However, it is clear you have an unusual partnership agreement so it is best to consult a CPA.On the other hand, real estate is not a liquid asset. 

I always recommend accepting pets, but you should know how to screen them, monitor them, and have strong policies in place to stop problems early.You should regularly monitor your market on Zillow, realtor.com, apartments.com, etc.

There are apps that can monitor a person's voice from video, recorded calls, or other sources, and then it can match the way you speak. 

This is a great list, and one which really applies to many 'consultant' or 'professional' type services as you mentioned.

I agree with everyone else, it sounds like an attorney must be consulted a more than likely a suit will need to be filed.

If you’re confident in these numbers, it could help mitigate the risk.Exit Strategy: Your plan to refinance after construction is solid, but keep an eye on where interest rates are heading and ensure the cash-out refinance will cover the HELOC without leaving you in a tight spot.It sounds like you're on the right track, but if you're still feeling uncertain, it might be worth consulting with a local real estate professional or financial advisor who can help you analyze the deal further.