Check out this PR service. It's a good price.
I am looking to buy press release for my newly launched community. Anyone has any idea which company offers the best ROI of press release?
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PRWeb.com has always been one of the main trusted Press Release sites.
I'm also really liking pressdoc at the moment, as well.
Prwweb would be who I would use if I was after a paid service. I've used free press release services before and had success. Basically just do a search for free press release, then submit to everything on the front page.
unless your community if going to have something so unique it is worth making news I would pay for PR service there are plenty of free ones that should help enough.