Should I use a dripper or tank e-cig?

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Hi,

I am new to vaping and also have never smoked cigarettes.
I want to vape only 2-3 times a day just because of the clouds. I don't need nicotine or flavors. Would you recommend PG or VG liquid? What kind of e-cig do I need?

Should I use a dripper or tank e-cig?