With all that's out there, my head is spinning. I want to just start with a very minimal kit, just something I can plug into my computer to charge up, preferably that uses e-juice rather than disposable cartridges that I would have to continuously buy. I just want something to help me get familiar with the real thing (been using store bought disposables so far), without making a huge investment, as I continue to research what would be a good, top quality kit to invest in. Any advice would be appreciated. (Not asking about the juice; it seems easy enough to find juices.)