DSCR loans are loans issued by private lenders with proprietary and differentiated rules and guidelines and are typically included in “non-QM” securitizations.The advantage of conventional refinance loans is that they typically have the lowest interest rates and fees.

I'm clear what it is I can write off, what I'm not clear about is how much (or what %) of each category will come back to me.  

Once you figure out a strategy that you want to do, next I would learn about potential markets for that strategy and focus on 1 or 2 markets that you have some kind of competitive advantage in (you live there and know the area, you have friends/family/a good realtor there etc). 

Lawyer would be a great resource for thinking through this.This isn't enough information to comment on tax advantages/disadvantages of an investment partner - more detail is needed. 

This approach allowed us to move quickly and take advantage of the immediate resale opportunity.

If detached, the ADU must typically be placed in the backyard and occupy at most 30% of the backyard's footprint.Having separately metered electric service is advantageous for managing costs and billing tenants.Adding an ADU can potentially increase your property value.

There are advantages and disadvantages to it and those can vary by the local housing authority that administors the program in your area.

Too many investors offer it up haphazardly and get taken advantage of. 

Not unreasonable to ask them to cut it down IMO.I would sue private nuisance and injunction from maintaining a private nuisance, and for interfering with prospective economic advantage (scaring away potential tenants with prospect of dwelling and car damage).Start with a nasty-gram from lawyer since you already asked and was turned down. 

Consider investing in low-cost index funds or ETFs, as they provide broad market exposure and diversification.Utilizing tax-advantaged accounts like 401(k)s and IRAs can help maximize your retirement savings.