He earns his commission upon purchase. 

If the selling agent is the dual agent then they don't have to do a commission split.

But there's title insurance, commissions if the property is listed, hazard insurance, and plenty of other things to keep in mind so education is definitely the best first step.

Take out commission and we would be losing money.

(I did not include fees and commissions to simplify the numbers.)If I just sold the property I would have paid taxes on 100k gain and 40k depreciation recapture.

Offering the listing agent a chance to represent you for double commission?

Large private water companies (those with revenues of at least $250,000) are regulated by the Public Service Commission (PSC) and subject to the Home Energy Fair Practices Act (HEFPA).

You learn how to properly analyze deals, get paid on commission, and build the network you'll utilize as you grow into a position you're capable.

My wife is also a realtor and would be buying the lots and selling the homes taking little to no commission. 

It was newbie lack of experience on my part, and also the agent had no interest in advising me much, only to tell me which areas he wanted me to buy in, the areas that would be the least management headache for him and make the biggest 10% commission.