I believe subject to transactions, done CORRECTLY, between KNOWLEDGABLE participants, with FULL DISCLOSURE, are typically successful transactions that have benefits for both sides.  

Down payment should be about the same (20% on a buy-and-hold) but you'll see an additional $3-$6k on average in CC and the ability to keep it off of your DTI/Personal credit along with hopefully no more hard inquiries on your credit (many lenders will accept/perform a soft pull).

Using a heloc as 1st mortgage really only has a major benefit if you have idol cash sitting around from your paychecks. 

Instead of paying this $6M to the IRS, they now are earning interest on this extra $6M and living off of the interest for as long as they want to while the funds are invested in stock, bonds, multiple funds or back into real estate at their own timing (all capital gains tax deferred).Here are the Benefits of a Deferred Sales Trust (DST) and buying real estate through the DST vs 1031 exchange1) Timing- Sell High and Buy Low: Partner with the Deferred Sales Trust (up to 80% of the funds) and buyback into and back out of real estate.

Adding additional bathrooms (like a master ensuite) can be a game-changer.3.

It seems like there are additional obstacles to success for me since I'll have to do pretty much everything remotely, but an expression that I like, and I'm paraphrasing here, "If the path you're on seems easy, you're on the wrong path"Would love any and all advice, guidance, comments, warnings or whatever else you'd like to share.

In addition, I would give the tenant information about the local place that handles rental assistance programs.

It's like when you're running a business - you sometimes learn way more from dissatisfied customers and their complaints, so, please, don't stop there, if you have more to add, add it!

Some transport companies have house kats that can get off the road and onto the site for an additional charge or you can hire a third party if the access from the road is limited.  

Quote from @Mitchell Gunlock: Quote from @Cliff Benner: Looking for Tips on how to find places that have multiple cabins or additional dwellings on a property that I could live on and run.