The drivers of those are what people are willing to purchase a specific income with those levels of finishes in that location (income & building class).  

“It now looks like many of the banks are beginning to loosen those policies and are starting to lend to investors again, so the market is finding a floor,” he said.SQM Research director Louis Christopher agreed that investors were likely to re-enter the market.Most banks were well-below restrictive investment lending targets set by the Australian Prudential Regulation Authority and had room to start issuing loans to investors again, Mr Christopher said.Investors accounted for nearly 60 per cent of the Sydney properties purchased over 2016 and were one of the main drivers of the earlier boom in prices, he added.

Mortgage QualitySubprime debt was arguably the single-biggest driver of the GFC.

If you're looking for appreciation come to Columbus, there are still 1% deals, but the more attractive part is the population growth and other economic drivers.

As for your crane operator, it seems they are covered by the " All operations and Drivers" clause.

The agent I spoke to and I both agreed that relationship building is one of the most important drivers for long term success in real estate.

I pumped gas; hawked peanuts on the boardwalk; did landscaping grunt work; restaurant dishwasher; prep cook; call center; private driver; golf course greens cutter; etc.

One of the biggest drivers in August was used cars and trucks, where prices rose 5.4%.

The primary driver is space and economics. 

That said, I believe cash flow is going to be my primary driver on my first few deals (1% rule).