Many variables to consider as others pointed out but I agree with @MacTechVpr - the single most used tank by me over the most years was the Kanger Subtank Plus. Small build deck but sooo reliable and versatile, and for single sub-ohm coil running under 40W, it works great. Not enough real estate for fancy or larger coils but great intermediate tank with good flavor. My go-to tank now is a Kylin RTA v2 which I love so much for the airflow, flavor and build flexibility that I tolerate the leaking/sweating.
Not that it's the greatest. But it certainly set the standard for the tank with the mostest (to pick a word that helps illustrate a desirable starting point or wish list). Kanger did a good job giving us the first well thought out mass produced rebuildable deck atomizer; that is, after hearing us scream for one forever they reluctantly I think pulled the cotton out.
At the end of the day producer/reseller paranoia gave way to the reality that they could sell more and different types of consumables.
Great Scott is it slow for people some times.
Good luck.