It worked well enough with a few properties, but beyond 3 or so the expenses and accounting get to be so much that it is better to go with a full scale accounting package.

The is a huge opportunity for you and your team to scale quickly by creating transparent content.

We financed seven large scale MF properties in the Boise/Treasury Valley area a few years ago.

We then take a small markup for the entire process, but that markup is NOT felt by the investor due to our economies of scale. 

Rentometer has a scaled down free version.

At the end of the day if you're able to achieve the same result but keep more money in your pocket, that'll allow you to scale even faster. 

We had the scale to manage ourselves, not sure if this does/would apply to you. 

They love the better economies of scale, they love the tax benefits, they love the idea of not having to be an expert on it all but just being able to focus and excel in one area, while also working on a team and contributing toward a unified goal. 

You seem to be on a good plan - get that first year under your belt with STRs is always a great strategy, seen people try to scale and expand too fast

While TK can be a great way to invest OOS, scale or diversify, it's important to know that REI in general still comes with inherent risk that needs to be managed appropriately.