Update your assumptions based on the findings from due diligence and evaluate if the deal still meets your target returns.

Central heat & air*I made this below chart based on this community shared knowledge (Thank you all).

Hello Antonio, I am based in San Antonio, Flippers are focusing more in the north side of the city.

So you'll have to analyze your options based on your goals/objectives from REI.

Vacancy rates will definitely vary based on location.

Perhaps contact other manufactured home companies that are based or sell in California and ask them how they obtained their license? 

To do this, divide the cost based on the ratio of the fair market value (FMV) of each asset to the total FMV of the entire property at the time of purchase.If you are uncertain about the FMVs of the land and the buildings, you can alternatively allocate the cost based on their assessed values for property tax purposes.Source: IRS Publication 527 (Residential Rental Property)

Based on your 1031 experience/knowledge, do you think this scenario can justify selling it as 1031?

Your instinct not to reply is valid, especially since you already have a strong base of positive reviews.

Based on your description that the chimney is barely holding on, the $1,800 doesn't seem too high.