Are you talking about EPN? It's incredibly hard to get into EPN lately...It's easier to throw down $150 than to actually register and get accepted. But here's a few tips:
1. Make an incredibly good looking website showing ebayer's a great ebay shopping experience. Get a lot of traffic and get your site indexed.
OR
2. Say you have an "affiliate" network (I mean like Clickbank or something like that) and try to link some websites together promoting the same products and such. This is the trick that some Chinese sellers use, well from what my clients have told me anyways.