I have several investors and I’m not sure I have the ability to move fast enough to utilize all of their purchasing power.

Never underestimate the power of synergy.

Do we buy and flip as I have the capability to take on most projects with my own power. 

only option is to terminate the lease with mutual agreement of each parties, and vacate the home in clean condition to get deposit back. also, even if he can't provide proof of financial / income , would that give landlord any legal power, in other way ,how it helps landlord to make current lease null and void ?

So, enlighten us, what is the new tool? 

The 1031 exchange is a powerful tool but it needs to completed correctly for it to benefit you. 

This was exasperated when the socialist Labor Party took power in the 1950s, and raised capital gains to where the tax on ordinary income was, 89.9%.  

Charge extra to cover power  / utilities. 

Or if inflation rears it's head then you'll have jumped off a moving train with no way to get back on.The power of a 1031 is best when you stay the course with your deferred tax. 

I would at minimum find some other tools for evaluating FMV. https://www.propstream.com/ (not saying it's 100% accurate, but maybe can help shed some light) Otherwise running some Zillow comps of recently sold in last 3-6 months Hope that helps!