The big players dont want junk real estate that these notes  are attached to.

The proposed $38.5 billion deal would combine two major players in the U.S. convenience store market, potentially controlling 20% of the market.7-Eleven, the largest U.S. convenience store chain with 12,601 locations, currently holds 14.5% of the market.

YUP minimum requirements.. although you would be surprised how many folks cannot get a bond because they lack credit score.. this will weed out the really poor players and give state a vehicle to regualted those that violate the laws without all the grey area currently.

That's not everyone - some legitimate players may just be short on cash because of projects (I've been there) - but it is a lot of people. 

The best buyers agents provide insight to the market, negotiate to get a better deal, provides clarity to the transaction, steadies the nerves of buyers (first time home buyers for example), identifies problems with the property, introduces a whole cast of players to get the deal done etc.

Regarding selling these, there is a mortgage note forum here that you can learn to see who the players are in the space. 

Grocapitus is the most innovative syndication company I have ever seen though, so I would highly recommend attending their webinars and getting involved with them as an investor.For full transparency, his Marketing Director of Marketing and Social Engagement, Eric Bleau, has been my mentor for the past several months so I am a little biased, but, having personally been to multiple boot camps and having met several syndicators like Vinney Chopra and Anthony Chara, I can confidently say that Eric and Neal are two of the smartest, and most well-put-together players in the multifamily syndication world I've met. 

Or a bigger player like those. 

This is why in addition to apathy that bad players get away with as much as they do as frequently as they do.

They can introduce you to all the local players you will need like property managers and lenders.Over time, increase your own personal knowledge and development with books, podcasts, and conferences on the topic.But finding a commercial real estate broker with a teacher's heart will go a long way to getting you started.To your success!