.- If still skeptical, ask for personal references from employers, community leaders, or other respected individuals who can vouch for their character and reliability.By using these methods, you can make a more informed decision about renting to this couple, giving them a fair evaluation while also protecting your interests as a landlord.

@Chandra Faulk,  What you're refering to is what we call a diversification exchange. 

I see people keep referring to tax strategy and buying/selling properties.

@Alex P.Here's a few references to start that may help you to find the answer to your question: Treasury regulation §301.7701-(3)(b)(1)IRS Private Letter Rulings 9807013, 200732012 and 201216007If you need help finding these or interpreting them, as well as knowing how reliable they are for you to use for your own taxes, consult a tax professional. 

The business accounts are referred as Business Brokerage and the personal accounts Cash Management - each type has two offerings, one offering with a higher interest rate paid on cash balances.

On this site you will get investors that have Rockstar realties 5 states away, and realtors themselves.Do yourself a favor and get your boots on the ground, meet some locals, and get references.

Hollistic REI was referred to me by Real Wealth Network, based here in California.

What you just described is a variation of what I refer to as a perfect system.  

How do I approach a potential buyer/real estate investor or as they refer to them "cash buyers"?

I'll break it out for you.Gross Salary: $80,000/yearGross Salary per month: $6,667/monthAfter Tax Salary per month (not including 401k investing (which you should be doing, but I get this is a real estate message board and this concept is not popular): $5,434Purchase Price: $600,000Interest Rate per Calculator: 6.941%Downpayment: 5% or $30,000Financed Amount: $570,000Mortgage: $3,769.67Property Tax: $600Insurance: $125Other Costs (per calculator): $333.33Total Monthly Payment: $4,828/monthAfter Tax Salary - Your New Homes Cost = $5,434 - $4,828 = $606CONGRATULATIONS, you are what is referred to as "house poor."