Some girls make themselves easy to meet as a part of their dating strategy. But you should beware of these girls yourself... because when you meet them, YOU are the target.
A friend of mine in a country new to him went to an expatriate meeting not long ago. He's a guy who keeps himself attractive and is otherwise good with women, so he's not hard up for dates. He noted how the only truly attractive women at this expat meeting were the wives of male expatriates present. All the single/available women were unattractive, or older; single mothers; and so on.
This called to mind a general mantra I've hewed to over the years: beware of girls it's too easy to meet!
I don't mean girls who are 'easy'... as in "she's so easy to sleep with."
I mean girls it is easy to meet.
The easier it is to meet her, generally, the farther down your batting average you do if you go dating her.