As someone said before, you are not scalable.

I spoke to the county zoning office, and they will not allow more than five residents in a residential home here, which causes a scalability problem.

Scalability.

I’m just wondering about scalability over time.

Since you are a CA resident, I would also recommend checking out the Delaware Statutory Trust as an option for entity structuring - its a good model for CA residents as it avoid the franchise tax and is scalable if you purchase additional properties.Thanks,-Megan

Also, their policy is totally non-scalable.  

So obviously, you've go to have a hunger to learn and passion in order to learn absolutely everything you can.9) Scalability of the business.

I would also like this entity is scalable to add other real estate business components if possible.Can some one help with this?

It's only scalable to a point though.  

Again in 2016, Kent and his family had multiple companies on this list.[6]After helping over 55,000 real estate entrepreneurs from all over the world, Kent and his team primarily focus on teaching and training entrepreneurs on how to design and build a scalable real estate investing business using their Reverse Wholesaling/Arbitrage Method and leveraging big data to create targeted lists of cash buyers,[7] vacant properties with large equity positions, and active private lenders.[8][5]