I live in the Bay Area of California, where I work in tech, particularly in hardware design and manufacturing - and have a huge passion for Virtual and Augmented Reality - it is the next wave of computing - and yes - I'm a bit of a recovering tech geek.

This factor will impact your expense ratio, and ultimately the value of the park. 

Account ClosedThere are many factors that affect your credit score, but lack of income generally isn't one of them. 

If you're not owner occupying it, be prepared for a 75% LTV loan, so if you're putting down 10% now, be prepared to have the other 15% in order to refi (not factoring in principal paydown or appreciation/depreciation of the property).Separate from the seller finance, make sure the rental numbers make sense.

2) What are the pros and cons of designating the home a second home versus an investment property?

I've purchased them as high as 82, but I like to stick with 50.Of course lots of other factors to consider (taxes, insurance, vacancy, appreciation potential, maint).  

They will give you a 90 free trial and use Hotel/Airplane pricing model that factors in local events, avg. rate of hotels, avg. rate for other Airbnb listings and their occupancy rate to change your room pricing every night.  

The engineers' opinion initially should speak to the severity of the issue.I'd break down an engineering engagement into 2 parts:First would be an initial visit and rendering an opinion on the severity and possible approaches in design to remedy.2nd would be the actual design and cost opinion(s) to remedy.If you're pretty serious about the house, I think if you pay the $250-500 that I think you'd likely need to do the first, that would be a GREAT investment more than likely from what you're describing. 

The amount he can withdraw will depend on the type of IRA and his age (maybe other factors too).

Those are not important factors in making decisions regarding tenant requests.