Could you please be more specific on this point?
I'm still using drop-in coils and more and more willing to try building my own coils, probably starting with an RDA, as it seems easier to grow skills than with an RTA (or so I have read, and making sure I don't waste a full tank on a sloppy build sure seems like a good reason not to start building with RTAs).
The thing is most RDAs available at my local B&M are really, really expensive, like 60€ or more, that's more than the price of my mod... So that kinda killed my thrill to make the switch. There is, however, the Dead Rabbit Hellvape SQ, which would fit on my mod (22mm), and is a lot more affordable than the others.
Obviously, if it's that much cheaper, it must be a low-end product, but is it really just plain crap? Or would it be a good starting point for a quite new vaper who'd like to give reconstructible a try? (I do DL though, not MTL, so it kinda diverges from the OP's question)