Congrats and enjoy
vaping! It'll change your life for the better. Expect some potholes, as there is a learning curve, but you made a good choice! Try some LR cartos for a little less headache than the cart/atty combo. The newest dual
coils rock, but some sellers say not to use them on the ego/Riva type
batteries due to the circuits, some ECF members say no problem tho. Boge LR carts are known to be good for Rivas, and I can attest to them being very powerful vapor producers.
Good luck!