Hi there, I've been submitting galleries for almost four years and I dont think its that easy to get into these days as most if not all of the quality sites require that you have a free or paid account with them, but in saying that I still get sign ups from the smaller TGP/MGP's so if you are persistant it may make you a few $$$, and once you have submitted a few galleries you can start applying for acounts. any way, in answer to your questions,
Q1,2,3, Get a submitter like chameleon, I've used it from the beginning and its a great tool.
Q4, Some TGP's will list your gallery in the archives for years,i'm still getting hits from galleries I posted in 2003,
Q5, All depends on the quality of your galleries and where they are listed, Like I said, you can be listed in the archives for months,even years.
Q6,Sponsor content is ok, as long as its not over saturated,TGP owners get sick of seeing the same sponsor content, and will not list galleries using it, others use the sponsors hosted galleries, so will not post submitted galleries pushing the same sponsor.
Hope this helps, and good luck
