The answer is always no.LLCs are overhyped, especially for people starting out with buy and hold and are not even running a real "business" (yet). 

The rates and market have made San Diego a tough buy and hold market.  

First thing to consider is what was the original foundation design and can it hold a second story to a home.

Quote from @Mark Pedroza: Quote from @Sergey Tkachev: Quote from @Mark Pedroza: A warm welcome @Shannon Bloomfield@Sergey Tkachev holds a monthly meetup in W Sacramento the third Thursday of every month.It may be a drive for you from where your located but maybe I'll see you there ....Warm regards.... 

Certainly not trying to leave my job today, but someday.Current: I am sole income of our house hold.

If the plan is to hold for 5 years and sell then maybe existing is ok. 

Every month of lost rent while holding out for a few extra dollars only puts you behind in the long run.

If you can afford the 6.1% rate for  2025i’d hold until at least April. 

Investment Info:Single-family residence buy & hold investment.

I believe anyone starting (buy and hold) should start with a multi (2+).