I see you only have one each of the 18490 and 18650 batteries. I'd recommend that you at the least get one more of each size. You don't have to buy from Provape. I get all of my batteries from RTD Vapor. It's a vapor's creed that you can never have too many batteries (and charged ones, at that). There was a time when I was still using the cig-alike sticks that only last 3-4 hours, and I got lazy about recharging them when they all went dead. I had a nicotine withdrawal fit while they recharged and actually bought a pack of my favorite analogs. Luckily it tasted like

and I could only smoke one and threw the rest away. Just remember, if you are out of batteries or juice you can't vape.
You should also be on the lookout for your future backup device. Preferably something that can use the same juice-burning devices (cartos, clearos, ce3's) so that they can share. Big plus if it also could share the same batteries. All of us have a backup, and a backup for that backup, and a backup....
Finding a collection of favorite juices will likely be your next mission. And it likely will be a never ending one. If you can find 3 juices you truly like to use on a daily basis in the next couple of months, you're ahead of the game.
Read the two juice forums here at ECF to get ideas from other vapors on what you may like to try. Besides the expected tobacco and menthol flavors, there are coffees, fruits, sweets, deserts and pastries, drinks, even bacon flavors. When you finally decide what to try, only buy a small trial size, or get a sample pack. No need to waste money on a large bottle of juice that you will only use once.
I don't drip, and I learned trying new flavors in a carto got expensive if I didn't like the taste. I got some of the smaller ce2/ce3 like this:
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They are pretty cheap in a 5-pack, you can see the juice, no polyfill to alter the taste, relatively re-usable. Easy to fill and empty using a tiny needle and syringe. Smaller capacity (0.6 - 1.2 ml) means you don't need to use a lot of juice to decide if you like it or not. If you hate the juice, remove it, rinse the device out with some water, and refill with the next juice.
Alternatively you can use one of the clearo tanks like the Vivi Nova or Smoktek Titan, should you want to dedicate one just for juice testing. Easy to clean, but one will require much more juice for it to work to test the juice.
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Some juices, especially the custom-made-to-order juices, will need to steep for up to 2 weeks or more to reach their optimal flavor. Taste is extremely subjective from one vapor to another, what one person consider's their all day vape, other's will go meh. Boba's Bounty is an extremely popular flavor, I hated it because to me it tasted like grahm crackers...and I hate the taste of grahm crackers.
