I've worn three hats in the seller financing world (as a property buyer, as a property seller offering terms, and as an investor that buys seller financed note). 

It seems like you have some very solid goals of multiple income streams, and a well calibrated risk tolerance. 

I picked a mentor and a team to follow and the rest worked out

I think you'll find a ton of useful content and a supportive community here!

Your mentor’s advice about starting with a rental property is solid, and a duplex could be a great option for house hacking.

Set on 3.3 acres, this home has everything your buyers are looking for: a brand-new septic system, a state-of-the-art wall-hung boiler with radiant heat, and a stunning new kitchen complete with updated appliances and an island for gathering.

I just used my attorney as our registered agent, PO Box as our business address, and a separate LLC as the holding company. $50/ LLC and it literally takes less than 20 minutes for each LLC and costs less than $20/ yr. to renew each LLC.

Case law is well established differentiation between a loan assumption, and a subject to purchase.Fraud can be charged if the purchaser has not fully disclosed intent and circumstance to the seller, as well as the other way around.  

I know I can't have it all but looking for a stable appreciating with some cash flow and a turnkey SFH.

The six month cd isn’t the point my understanding is that I can’t just take out the HELOC, I need to actually use the money for my plan to work and a short term CD seemed safe and reasonable