I want to be in this for the long haul but I still want to work as fast and efficiently as possible!!

I try my best to stay motivated and focused even though had a few rough experiences on other projects before with them.

Any recs for something that efficient and clear? 

They preyed on people inner motivation (which is family for most people) and try to relate to us so that we will put down our defenses.

Sounds like you have your act together with passive income and a savings, as well as motivation to build wealth from there.

But you have to start with the motivation of the sale first then work backwards from there.

MAYBE HVAC, but that is less clear because the total cost of ownership of a very efficient system might not be that much better than a mid-grade system these days.

These properties can often be acquired through creative financing methods like:Seller Financing: Negotiate flexible terms with motivated sellers who want to avoid traditional bank processes.Lease Options/Subject-To Financing: Take over a seller’s mortgage without assuming full responsibility, especially for properties needing renovation.Creative Terms: Adjust terms to fit market conditions, like offering lower down payments or longer payoff periods.Staying connected with investors and tailoring deals to current conditions can help you secure opportunities even in challenging markets.

This can make the real estate investing process and management more efficient and less burdensome.Here's an article with additional FAQs on cost segregation studies that you may find helpful. https://www.biggerpockets.com/forums/51/topics/1113749-cost-segregation-faqAre you streamlining your services?

The main thing is to find motivated sellers before they list their homes with a Realtor.