Also look at what assets your construction company owns. if you have very few assets and you have sufficient insurance then there is little to be concerned about in case of a suit against your company.

A 45 amp breaker (x 80% = 34 amps) would just be sufficient, but it would be cutting it close. 

I don't have sufficient funds for a down payment to purchase and also rehab.

In California, a Will is not sufficient to avoid probate and the assets would need to be held in a family trust or in joint tenancy to avoid the probate process.  

I would probably buy it, but make sure you have sufficient reserves to shoulder the lack of rent / renovations / other costs while you stabilize the building. 

I have sufficient funds to purchase the property, but struggle with knowing whether or not I'm growing things too fast.

My agents also usually give me token gifts of appreciation.

Will re doing the  properties siding and some exterior upgrades be sufficient enough to force the appreciation or is the only way to increase the appreciation is to rehab  each unit?

Use the flipping to build up a war chest that you can deploy when it's sufficient to buy you some scale.

I want to buy the house likely before I have any sufficient income for debt/income purposes.