Mr. Frog, I think you have described a very accurate assessment of what's going on on SA these days. I do think that jumping in and out for a month at a time is counter productive. I maintain my profile all the time, even though my rotation is often quite full. But I'm always looking for an upgrade!. Like you, I live in a target poor environment. So I don't want to miss any opportunities when a great one pops up. Yes it now costs over $1k/year to be on seeking continuously. But I consider the benefits to be well worth the cost.
Payment: I use cash, only and always. That's it.
Real profiles are indeed rare these days, ever since Seeking Arrangement, as it was known then, quietly removed it's policy banning "online arrangements". I haven't done the numbers recently but yours may be accurate. I recently had over 30 conversations going, resulting in just a few M&Gs, and one BCD so far with 2 more planned for this week. It is a numbers game, always has been, maybe fewer home runs per times at bat, but still a good game!
The Asian women scam has been written about here. It's a sort of long con. They lure you in, and eventually tell you about their uncle who has taught them how to make lots of money and they want to help you by letting you in on the lucrative scheme! Just send them some money and you'll be rich! If you believe that, I can make you a great deal on the Brooklyn Bridge!
The ones contacting us from Venezuela, Philippines, Ukraine, etc. are a different story. Some may be so desperate they truly think a US citizen will arrange to get them out of their country. This is not realistic due to strict immigration policies even if it was totally legit. Most will just hit you up for $$. And as Herb has suggested, many may simply have been paid $20 by a local photographer/scammer to pose for a few pictures so he can post one more fake profile and ask for money. They seem to have an automatic algorithm that alerts them whenever you sign in to your account and you suddenly get several more of these. Ignore, delete. block, hide them, whichever you choose.
Sending $ in advance NEVER leads to a good outcome. We've all learned that the hard way. Just. Don't. Do. It.
You are correct about the "content sellers". If they want you to move to a different messaging platform, they are selling pics and vids and have zero intention of ever meeting up irl.
Looks to me like you are using your head (the big one!) and paying attention, and learning from your experiences as well as from the wealth of other people's experiences as offered here on this forum. Have fun building your rotation and let us know how it goes!