Ok I will check those websites out, Thank you.There's a variety of ways to get a deal in front of you (I'm mostly a flipper), but basically if it looks promising, I run custom comps queries and check the current & past $/sf of renovated/distressed product in that city or zipcode.Here's a chart on 90066 I generated from my tool under Market Stats > Sales Data > Specific Zip Code:- My above chart (more available) shows the Avg Renovated $/sf (High) over time in this Zip Code, something completely different than charts/providers based on Averages/Medians only, like every other platform (RedFin Below, https://www.redfin.com/news/data-center/):- Can't select smaller locations such as City or Zipcode for their $/sf data, so it's useless helping me underwrite/verify a deal.- Can set Zip Code for Median Sale Price data, but again it's the median/avg so it's useless helping me underwrite/verify a deal.Then if that looks decent, I'll run Sales Comps, and get a quick summary of some key metrics based on those comps.

You could take that same $70K plus what you planned for that $680K down payment and buy 3 investment rentals in states like FL, TN, IN, OH, GA, LA, even up on the Oregon Coast just above you in CA.Most of my customers live in CA and none of them invest in Cali instead they buy in the states I listed above.

Also, if I am a homeowner, I can't think of the benefit of selling "sub to". 

We specialize in window replacement, custom entry door systems, and garage doors, as well as several other servicing needs for interior and exterior work. 

Once you find a house that you believe would be a good rental, meaning desirable to your target market of customers (people within a couple of mile radius of the place), and all of the costs of monthly ownership that you can accurately project fall below the rental amounts that you project that you can get from your target customers, then you have a possible business asset that you can use to produce income, and have renters pay down the mortgage, while hopefully it goes up in value at least with the rest of the economy. 

Is there away to obtain subject to on a mobile home? 

Legal documents and customs are tricky in a native language let alone a foreign one.

They found wood destroying fungus was found in the sub-floor and the floor joists in the crawl space. 

The cost of labor and materials now is insane.The type of work on my custom house is about 400 a foot.

Make sure that you set aside some money for unforeseen events like sub-floors, rotten pipes etc...