And, if your next deal is your first, don't be afraid to let your seller know it's your first deal. they, many times will feel more comfortable with you simply because many people feel threatened by what they believe is a greedy investor looking to take someone for something.

Most of them will jump cause their super greedy and likely will work with you quite aggressively. 

As @Roy N. said it's mostly in the starter home price range.These can be a good deal for everyone involved if you don't get greedy.

Unless you have a realtor that you trust completely I will not want to use a realtor to negotiate for me especially when I can do it directly and sometimes have more room for discount as some seller realtors they are less greedy and are willing to cut their commission to 3% to make the deal happen. 

I don't want to be greedy but I would like to make a little something.

In a large city, people are cut throat and motivated, by greed. I

Probably, they found out it really needed $50k of work to make it bulletproof and to not sit on the market for 3 months only to end up selling for a wimpy profit because they did nothing to help it sell fast....I apologize sincerely, and I do not mean to offend here, but it's this kind of "max home run", greedy thinking that keeps amateur flippers sitting on their "finished" houses for months trying to sell them.

In a large city, people are cut throat and motivated, by greed. I

Part of me wants to pull back and reevaluate the rental fee but then I think that, well I did a pretty decent comparison before I decided on my fee, don't get greedy.

Yet people are too greedy I guess.