I think most of what you are asking is impossible for anyone here to reliably answer without more information and you should probably consult an attorney if you think it is worth it.

I work as a Fractional CFO for real estate investors all over the U.S. and consult with them on these same issues you're facing. 

You might consult with him or attend his class.

Pay for 2 hours consultation time from an attorney experienced in contractor real property law (if you don’t know of an attorney contact me and I will provide a referral) to understand the specific applicable laws, the risks, and potential costs2.

Depending on the investment and your current knowledge, this can take from 2 to 20 hours of research.2, Spend $400 - $600 for 2 hours consultation with an attorney who specializes in real estate IN THE STATE that the underlying property is located in.3.

If you feel you really want something more special for a nicer flip or something, get a design consultation from someone local who can give you a whole color scheme for the house that will make things pop. 

Should I first consult with an attorney to discuss my options, or can I move forward directly with legal action?

Many attorneys charge a consultation fee that will be credited to my bill if I continue to work with them but I don’t want to pay for various consultation fees unless I know for sure that I have contacted the correct attorney.

My expertise spans residential construction, and I recently started my own virtual residential construction consulting business to share my knowledge and help others succeed in the industry.I’ve successfully flipped multiple homes and am now looking to expand my investments in long-term rental properties.

Hello Brody, Sounds like you need to plan ahead and have a high level mortgage planning consultation so you do not run into problems and lose money.