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.

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

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.

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." 

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

Hopefully someone from the area can chime in but shopping quotes from reputable and well rated or referred PMs will illustrate a better picture for you.

Partnerships are definitely possible and can be rewarding, but I would just make sure the relationship is outlined thoroughly and both members are contributing to the deal in some way. 

It requires time and effort and from that investment, you will be rewarded. 

But, it still requires 20% down, which seems to fall within his current issue.I was referring to the private money or hard money being expensive.Let's connect!