Demonstrate over an extended period of time that you are up to the task and can handle the work load as well as still make time for your family.If your wife is investing adverse all together as yiu seem to allude to then discuss the fact that money sitting in a bank account is a guaranteed loss as you are losing buying power overtime due to inflation.

That means  having a background in construction, engineering and/or property management is extremely helpful to demonstrating their ability to perform with my money.

Either way, in the areas that impact you they have clearly demonstrated they qualify.

It's what happens when you bust out that really demonstrates your mettle.By now you've already figured out that you're probably undercapitalized based on your portfolio size.

In fact, there was a study performed by one of the Big 4 accounting firms that clearly demonstrates there would be a reduction in GDP if Section 1031 were to be eliminated. 

But you have not demonstrated that they ONLY eat rabbits.So I hope you understand this thus far.Now let's turn this to our case.You say that people that are motivated do not go to Google to find cash buyers.

As @Robert Marston demonstrated, it IS possible, IF you are flexible.

Sorry for the long rant but it demonstrates why I feel for the small plumbing company and how even such seemingly black and white decisions that only involves $5,000 (It's alot but it's not going to put anyone out of business) is hurting my productivity. 

I have the texts to demonstrate this.The lease requires thirty days notice of moving out.  

Dave's intent was to buy, rehab and then sell, so unless he takes time to demonstrate that his intent has changed to hold for rental/investment he is stuck paying the taxes.