So, the investor thought it was a no brainer for them to want to work out a deal.

Yes, you should connect with @Amanda Han to see if her services are something that you could benefit from.On another note, If that doesn't work out don't limit yourself to your local.

This is the best way to keep family talking to each other even if the business doesn't work out.

I used to think the HOA would kill my profit but considering its paying for all WSG and maintaining grounds, all exterior maintenance and a pool and a hot tub and workout facility and a club house.

I almost bought a couple of houses there in 2014-15 for $11K and $24K, but things didn't work out. 

Reach out to them and offer to fill that need in exchange for the learning experience / low pay/ commission based pay/ whatever you can work out.

Try to keep cool/neat/unique things in the park that millennial's would like, for example, maintained playground for kids, muscle beach style outdoor workout area for adults, a neat trail system inside the park itself for dog walkers, a community BBQ area, etc...

how did it all work out?

We contracted nearly 100% of the work out as I am a full time Realtor and my partner also works full-time.  

That said if they have offered to help that is something to work out with them.