One of my favorite quoted expression is: "By failing to prepare, you are preparing to fail." (Benjamin Franklin - 1706-1790) But there are also many variants, that are 'close' to swindle practices, but not (yet) labeled as real illegal organizations.These are organizations that will use methods to keep you as long as possible as a paid customer, or those who ask far too much money for their services.From a legal point of view they are no swindlers, but from my personal view they are. Just read everything of this topic, follow my advises, suggestions, remember my information, print it out or come back now and then, but visit also my recommended resources, including my recommendations to provide yourself with tools or services that are created by professionals.
Also try to find out if they are a member of the Anti Scam Program.
For example, some web sites have over 20.000 profiles, however this is not a reason to find any scam inside this Agency, it only gives you an impression how many profiles you can find on the 'entire' web.
So, the chance is present, but if you prepare yourself in a proper way, the risk of being scammed can be reduced to almost zero.
For the woman it's important to see that the man who is writing to her is serious about finding a new partner.
To be very serious in your intentions and to be very open to her, gives you a response which you can analyze as reliable or not.