You have posted in the new members forum, you are limited to the number of post in this forum.Thanks in advance for any input!
re: New Members - "How many posts do I need to..."
In the future, you might want to post in the ECF forum most closely representing your question. Your subject: rta's, suggest posting in : Tanks, clearomizers and drop-in coils
You may receive more knowledgeable/germane information from the membership in the above forum.
Might want to go simple to start:
YFTK Kayfun/SXK KF Prime Styled RTA 2ml and GeekVape Blitzen RTA 5ml Rebuildable tank Atomizer & Vandy Vape Kylin Mini RTA Vape tank are said to be a good choices.