If you are taking out a conventional mortgage of any kind, you can't buy in the LLC as it does not have two years of tax returns.You are also asking if an entire state is good to buy multifamily, which means you are too soon in the process to even talk about buying.

Like any area in real estate investing, you'll have to learn your market and take the time to learn this niche if you're interested in investing in mobile homes. 

I 100% endorse adding in the escrows for taxes and insurance to set the buyer/borrower up for success. 

YouTube is also a fantastic resource—it's free and you can learn at your own pace, which is a huge benefit.

It is purely clickbait.Find yourself a market that you are interested in, learn as much as you can about that market, and find your deal. 

Many of the folks I worked with back during the dawn of the internet business era have moved on, so this is a learning curve, but I’m embracing it.Partnerships are something I’m open to, whether it’s working on your projects or collaborating on future deals.

Nobody watches your money like you do, you'll learn how to manage, so you can manage a manager later and you'll save precious early-years cash flow, which allows you to scale faster, especially in the first 5 years.

Positives are proximity, low property taxes, no income taxes, no weather events, very low maintenance stucco/tile structures, “young” properties (5-20 years old) 

I then would have my tax cpa enter in or do it after discussing tax based items (depreciation- MACRS, reserves, year end accruals, reserves, etc.).

It's an estimated cash on cash return given current rental rates subtract expenses assuming 7% interest rate, 10% management fee, 5% repairs, 5% capex and other expenses like mortgage, insurance, tax. it's a estimate to tell you what properties to analyze vs ignoreyou can see the are pockets of negative returns as well as pockets of positive return. this is to supplement the data @Devin Conley provided