They could offer a decent sized non-refundable EMD if they are POSITIVE they want that house in its current condition.

Also, I would also not cross-collateralize the houses if a lender would even do a portfolio loan.On your second question about multifamily, I would not jump to multifamily until you have experienced the common management problems with single-family as the expenses scale with the size of the property as well as the cost of mistakes.I would consider getting Home Equity Lines of Credit (HELOC) on each property.

It needs to properly sized for the square foot and the sun load and the amount of insulation in the unit.

For the bathroom vanity Home Depot has a much more modern looking one with sink that looks similar in size to your existing one for about $170.

Look for well-documented processes and continuous improvement evidence to identify potential bottlenecks.Market and Demand AnalysisUnderstand market conditions and future demand projections by analyzing market size, growth trends, and competitive landscape.

Stronger economies generally support higher rental demand and property appreciation.Neighborhood Analysis:Safety and Crime Rates: Avoid neighborhoods with high crime rates, as these can affect property values and rental income.Property Demand: Look for areas with growing populations or proximity to employment centers to ensure consistent rental demand.Property Condition: For fix and flips or BRRR, assess the condition of properties carefully.

I'm very skeptical that a BR rental of that size with an ARV of less than $150k will bring $2k+ month in rent, but Ive been wrong before. 

That size park will make it very difficult to find more typical MHP financing.

Based on your experience as a lender, what is my likelihood of having a "letter of intent to employ" accepted by an institution? 

If you are just buying the same house that's the same size in the next neightborhood over, that could pose a problem with underwriting though.