Owner Financing is far more common here.

It’s awesome to hear how you started small and began to scale up after you did more and more deals.In your market, are mobile homes very common?

I would think it is a pretty common size, as the big box stores sell replacement windows in those sizes.

What standard values for cost increase, rent increase & property value are most common.

In Ontario Canada.. it's common that an offer is submitted with a 5 day condition/contingency on financing.

However, the trick has become quite common in the last 20 years

For occupied multi5+ we renovate one unit and the common area first & give the current tenants the first opportunity to move into the new unit.

Nor is there usually enough info just from a listing to be able to complete a full rehab estimate.My first reaction to hitting this roadblock was just to say to myself, "ok I guess the first step is to thoroughly learn how to estimate rehab costs." 

I read several articles on local reactions to annual tax hikes in different areas that confirm it is possible to double in the space of a year. 

(Upfront is most common).