Make a conscious decision that this will work. If you ain't committed you're wasting time and money.
Sit down at a local vape shop and try juice before you begin buying. Sounds good doesn't mean tastes good. Don't fall for the 'Love at First Sight' syndrome.
If your goal is 'cloud chasing' set your sights on that kind of equipment. And be ready to 'Roll Your Own' to get there (building coils, wicks, etc). Not recommended for newbees but, your call.
VV or VV/VW mod, Glass BCC tank and spare atomizer heads, Charger, bottle of juice are minimum requirements with backups for each. Post on ECF what you decide you need for critique (just remember to Add Salt, lol).
As we've all learned things don't always go as planned/advertised. The very best equipment will at times have issues. Things to be prepared for: Gurgling, Leak, Battery Issues, It won't work, Ran out of......, etc. Find a local vape shop or a vaping friend with knowledge, or post on ECF, for help with problems you can't fix.