Here's a shameless plug...actually I promised to give her her credit. I highly recommend joining Azoogle if you are not an affiliate yet and getting to know your AM really well.
Mine there is Winkie Lee. I'm in a not so sexy and trendy niche and every time offers come up in that niche, since she knows that's what I focus on, she thinks of me. I have even been made aware of some campaigns ahead of time to test them out.
I feel if you are very proactive with an AM like the one I have and show a sincere desire to learn the business, they will more than meet you half way. They'll even "sit down with you" and assist with your goals - after all if you are going to take it seriously, IMHO, it's a business relationship that's an asset like anything else on the books...
I also have to plug my AM at Copeac Danny. When I first joined the network in May I bugged the hell out of him because hey, your AM has to get paid too and with all the work they have to do, clearly they need time to personally manage their relationships with the Super Affiliates who've been there for a while...
Anyway I said to him "I'd like to be doing xyz a day within the next 30-90 days...how do I get there?" and he worked with me to set those goals - making suggestions and helping me get on campaigns that would help (of course I had to prove myself with some $ first).
So I guess this is a long way of saying that if you get to know your AM well and they know what you want to market, they can meet you half way and clue you in to untapped opportunities.
Everyone even those of us who just started in the business has some specialized knowledge that can be used to a competitive advantage.
There's someone selling almost anything somewhere so if you get to know your AM well they can assist you in getting to where you desire to be.
Also (without being TOO redundant...) it does help to be VERY PROACTIVE at your network because if you want to market something that the network doesn't have but it will be profitable, they can pull it into the network for you--if it's profitable...
Good luck. Share the wealth

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