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.
Now you probably ask yourself 'what can you do for me? Well that is very simple, I want to protect you for any kind of possible scam. , no, just for the simple reason I can't verify every step you make, but 'can I do this myself? 'Oh, you want to sell me something', certainly not in the first place, the information in our website could be sufficient for you, if you just use your common sense and normal knowledge of human character, keep both feet on ground and if you are not too credulous, then it's already a start.
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.
Important is to see how your mutual correspondence is developing, about what kind of subjects you both are talking.