The value for us was basically paying 3k/month for a project manager, which we built into our reno costs and fit our model.  

The carrying costs are low, but tenant was making partial payments by month 2.

If not and you wrote them the check, then most likely the $ is gone and suing for that money will cost you more than $1000 unfortunately.So cancel the agreement and request the funds

The idea of stacking a lot of them together seems rather stupid when you consider the added cost especially for someone from CA. 

Lowest cost way to get a deal done with your own money would be to house hack with a 3-5% down conventional loan.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Basically dollar cost averaging. 

Helping clients navigate these processes can prevent costly setbacks and ensure smooth project execution.Carlsbad is bursting with potential right now, and with the right knowledge, you can be the expert your clients rely on to open these incredible opportunities.

It cost about $100K, but it would have cost around $200K if she were to do it from scratch.

It sounds like you would make them available at an additional cost?