Financing the debt at below market rates would ensure that it'll make business sense for you not to refinance that debt for quite some time, keeping his payments secure. 

From my opinion, the pros and cons of each areOpportunity Zone FundPro:I can pull out cost basisAfter 10 years capital gains tax is reduced 15%Capital gains of the investment are zero after 10 yearsOnce the property is developed, I should get a regular stream of dividends until cashing out in 10 yearsCon:I may have a 2-3 year wait until the Fund generates incomeFunds are pretty much locked in for 10 yearsReturns don’t seem to be as good as a rental property 1031 ExchangePro:I can exchange into properties with better cash flow and collect monthly cash flow immediately I have a tangible property rather than a fund which can be mismanaged I believe my monthly returns will be higher than an OZ Fund Con:Capital gains (depreciation recapture) continues to buildNot as passive as an OZ Fund I’m wondering if I missed anything?

are they secured by reverse mortgages ?  

What do you do to ensure that the tenant is responsible for security deposit disputes since that is the largest reason for owner lawsuitsHow familiar are you with the newly changed laws that can affect you the owner if they are not used correctly?. 

I am okay holding it but wanted to issue a "holding deposit" that would turn into part of security deposit at lease signing, but if for some reason they back out it could semi- recoup the cost of holding and not advertising. 

If this were regular MDF-based laminate flooring sitting on a pad, there's at least a 90% chance your entire floor would have to be replaced.

For example, you buy the place and the tenant could claim the Seller allowed them to paint the walls black or that their security deposit was twice what the Seller claimed.

Whether it be blogging on a regular basis, cold calling, and/or preparing an array of marketing materials, staying on-top of these task and maintaining high output is vital for a few obvious reasons.

This allows me to regularly check (annually or biannually) to make sure their rates stay competitive.I do use a bookkeeper/CPA that keeps an eye on all of my payments and accounts.The bookkeeper/CPA is my second set of eyes on my finances and helps hold me accountable and even fixed things before they get urgent. 

Think of all the things that could go wrong and see if the lease addresses them: unauthorized pets or tenants, early termination, security deposit, lease violations, late rent, eviction, lawn maintenance, parking, etc.5.