Hundreds, if not thousands, of people come on this board every year looking to get rich quick, I would guess that 99% never do a single deal.

You can install it yourself or pay a professional (few hundred dollars).

I called my insurance company and got a quote for the lower coverage witch they went on and on about how accurate their numbers are for rebuilding, but when they finally provided a revised quote it was a few hundred dollars cheaper a year.Second, then I shopped around using my new replacement cost amount and found a company that was even a few hundred dollars cheaper than the revised quote from the company I used at the time. 

Usually you pay a few hundred dollars to take a class which is 40-100 hours long (in class or online) to prepare you for the exam.

Unless contrary to any provided disclosure or guarantee, seller has every right to say no to your request, which they did to mine.So for a few hundred bucks I hired a structural engineer to evaluate the foundation, provide a report and scope for repairs.

I have done it for hundreds of clients, but the average agent will never have that conversation with you unless you bring it up first?  

There are literally hundreds of threads that discuss this in depth. 

They can each get bought for a few hundred bucks online. 

Having seen hundreds of homes in Alameda and Oakland alike, so many are converted poorly and renters know that.

Even if you had a lot of cash you could be a few but there would be hundreds of incredible deals you couldn’t fund.