They can probably offer some really helpful insight that will allow you to hit your goals faster. 

Many people have top end taxes as high as 50% so to the right person (assuming they can right it off against other income often not the case) that’s 35K tax savings per year over 10% of what they invested in the property. plus the property will most likely go up in value faster on average than the 3% loan plus you have rent growth.

If you really want qualifying standards to be lessened, then contact your elected officials and let them know to make evictions easier and faster.

We we're able to scale much faster, we can cover each other's weaknesses, capitalize on strengths, have more oversight on projects, and keep each other accountable (let's be honest, there a days where we don't feel like doing anything).

You will always get ahead faster if you buy a house hack.

Modular is not always cheaper but can be faster.

But that's definitely the faster starting point.

Do you think it is better to move to an area where the houses are cheaper but might take a little longer to sell (for example: Ohio) or go to a place like Northern Colorado where the homes cost a little more but flip faster?  

This results in faster, cheaper, better work.

@Derek Meyer, other things to think of: single families tend to appreciate faster than duplexes.