I have always been able to obtain insurance but the carrier usually requires all visible knob & tube to be removed within 30-60 days of purchase.

@Tim IvoryWhen obtaining a loan both on acquisition and rehab, it's one loan amount.

I looked at a home that I found fairly nice but after some discussion with the homeowners I'm not sure there's a deal here. 

I've been doing extensive research for the past few weeks and have had no success on obtaining a Purchasing & Sales Agreement and an Assignment Contract. 

Question #2: As an investor, how do we go about calculating these costs into a budget to obtain before rehab?

If they do not qualify based on how they apply I will discuss if they want to make any adjustments like adding someone as a tenant to increase income to qualify.

I started as a wholesaler and am now a buy and hold guy that uses creative financing to obtain properties.

You think you need money to obtain properties as long term (30yrs+) passive income producing investments.

If they get disrespectful, end the conversation and offer to discuss when they calm down. 

This could devolve into a discussion about valuing parks on current performance or future potential, but anyway you look at it the park is overvalued for the amount of work needed.Other side of the coin, this park could be worth a lot.