There are many dating websites that are just out to take your money with fake profiles. And there are also plenty women with less then honorable intentions out there waiting to take your money. That is why it is so important to learn how to recognize the red flags.
The 2 most helpful websites I found are:
Both forums have been around for a long time and there is a ton of information to be found there. Also there are a lot of people that are happy to give any feedback. Love can make blind, so it is sometimes useful to get the opinion of others.