In my rental agreement (lawyer reviewed and approved) it specifically says no smoking or vaping within 20ft of the building and all butts must be left in a coffee can with sand in the bottom and one is already provided in the "smoking area".Explanations are given for allergies, health, and second hand smoke etc. etc.I've not had any issues yet.

If the borrowing entity were to default on the loan, the lender will hold each responsible.

If you did want to see what getting a loan looks like to have the ira buy real estate then you can talk with these lenders. https://www.biggerpockets.com/member-blogs/2810/50272-list-o... 

We're a preferred lender with them, though not for too much longer due to said out-of-country buyer wanting to bring all lending in-house.

You will want them to send you a copy of the policy and have your insurance agent review.

It is true your lot could constitute your contribution on the deal, but if you have a construction loan you're going to need to front the money along the way and get reimbursed by the lender as you're doing your draws. 

99.5% of loans are NOT assumable without lender consent.  

Here is a summary of the book.https://www.nateliason.com/notes/long-distance-real-estate-investing-david-greeneThe book also mentions the importance of having a rockstar Realtor, contractor, lender, and property manager.

However, I am hoping to know if anyone may have a referral for a solid lender who offers long-term financing (25-30 Yr Ams) who allows for a full CLTV seller carry behind their first.I understand the reasons why that vast majority of lenders do not allow this - trust me, I do.

That way you only need about 10-20% for the down payment and the hard-money lender will cover the rest AND they will cover the cost of repairs.