This is a fairly advanced seller financing technique (sometimes abbreviated "sub2") for acquiring property while taking over the responsibility of making payments on the existing loan, which remains in place after the sale.You can find an avalanche of relevant Forum threads, Blog posts, and podcasts here on BiggerPockets by searching for "subject to."

It's still not as nice as actual drywall and paint but it looks better than paneling and is an improvement.Cabinets are another good area but be careful to do the math on the finishes as a minor difference in price can add up once you multiply it out.

The County and City determine the tax rate then multiplies it against the purchase price.

Optimal 5.22% cap rate, 15.50 gross multiplier.

For PPP If your self employed 2019 schedule c line 31 net income is your number divide by 12 multiply by 2.5.

Generally valuation metrics work like this:Annual NOI from the Lot Rent / Cap Rate = Park PricePOH valuation theories:* NADA value x a discount rate* Gross Rent Multiplier: Total Annual Income x (usually between 1-3)* Annual NOI from the POH portion of the rent / Cap Rate (typically starting around 15%)I'm talking in generalities some of which might not apply to your particular purchase. 

There is an analaysis of the gross rent multiplier and a sales comparison approach in the 1025 form. 

In 10 years, you've multiplied your money 5x with little risk and little active effort.Now, let's say that instead of just putting $20K in the first year and waiting it out, you invested another $20K each year for those 10 years (perhaps you took $20K from your job or side business). 

Since I plan on investing and owning these properties for significantly longer than 15 years, it makes financial sense for me to focus more on long term growth, as opposed to immediate cashflow rewards today.When your business starts to take off in one of these high growth areas, you don't get this snowball method that people like to talk about, instead you get an avalanche. 

Based on the condition you see, use that price per sq ft bucket in excel and multiply by the sq ft to get an estimated rehab cost.Something simple like $10, $20, $30, & $50 /sqft will get you close enough.If the numbers check out, schedule your team to do a walk through and report back what needs to be done and the cost.