In most cases, a well-balanced blend of both investment strategies is what you should strive for.

I'm looking for a blended return with all my investments of around of around 20%.

Some believe touch up paint means you walk around the house, touching up spots, but that never works as it does not blend in with the rest of the wall, so the entire wall has to be repainted.  

I’m a bartender to the ultra wealthy now which is easy, reliable income, but I remember working at a casino where I had to choose between the high-roller who’d pay me 100 bucks for a lucky beer or the tweaker lady who’d order a blended mudslide with 5 free cherries and tip me in pocket lint.

I will absolutely look into converting construction loans as that sounds like it may be perfect blend of what I need.

Ultimately, your blended all-in rate might not be much of a discount, or even the opposite.  

Has anybody ran into any issues with blending their property as a LTR and an MTR? 

So if buying at a 7 cap and debt starts at 4.5 fixed with 25 year amortization what will loan balance be with regular payments in 5 to 7 years and what will blended cap rate be up to conservatively by then?

What happens is that the new Mortgage Company Modifies the existing Mortgage in a way to blend the Interest Rate and other terms correctly.

And for a third the reinvestment of net income is assured to really accelerate things for you.Get a multi year sheet going and figure your starting asset balance and the rates of each investment to arrive at a blended portfolio rate of return.