They advertised 50,000 fresh opt-in leads per week (for email marketing purposes) and also advertised as providing each list to only 5 people. Also, they said that such opt-ins came from their various websites. It turns out that at least 2/3 of the first two lists that I received contained invalid emails. Not only that, but I found the same list published on another site (not affiliated with optin-leads). They refuse to refund my money so don't fall for the same mistake that I made.

ugh i hate those opt-in leads..
gotta watch out for that mess.

Unfortunately, I fell for the good sales write-up and should've investigated more. Fortunately though, it was not a high dollar mistake.

i feel for it too for a chap in Austria.... Anyway still searching for a verified and i mean verified list that is affordable.

They also have a 100% Satisfaction Guarantee on their main page. The funny thing is that if you go to the FAQ, it says that they do not give refunds. I guess anyone can sell crap on the internet these days, falsely advertise some guarantee and not give you money back.

Good luck finding a decent verified list that is affordable. The only reason you can find garbage for sale is because lists for sale are garbage. Quality lists are worth huge amounts of cash, you won't find those on list sales sites with stupid ad copy. You will have to find a list brokering firm or work out a deal with a co-reg broker.