May cost a little more, but hopefully protect your.

Your estimate is what I would be charging for an entire service upgrade, panel, meter socket, grounding, and surge protection.

That's certainly a good way to protect yourself by being a little bit more conservative. 

Hopefully you can protect yourself if you need to.It reminds me of this little video about a Free Rock: https://www.youtube.com/watch?

How can I protect myself from losing lifetime savings if something horrible happens?

That protects everyone involved.

When you have 50 unitsWhen you think you need more than simple insurance to protect free and clear personal assets.

Depending on size, you may be required to, typically with large scale, multimillion dollar assets.For smaller assets, i.e. single family, duplex, fourplex, you get liability protection. 

It is ESPECIALLY important in this townhome that's built on a crawlspace because it has a $15K encapsulation system underneath the building that protects the crawlspace and most importantly pumps water out because it's in a weird almost flood zone type of area... only gets bad when it rains heavy, and boy does it rain heavy here.   

Plus, you'll have some asset protection on the rental just because of the mortgage note.