The go to starter RBA has been the RSST for the last year. It's a genny, but without temperament. Wicked with mesh first time, it worked, and every time since has worked. Easy Peasy.
I like bottom coil silica/cotton builds and prefer the Kayfun's and their many incarnations. You can find the RSST for $20 at several shops. Try 101Vapes. Think I saw it for $19.99, but I've seen that price several other places as well. Need an ohm meter, mesh (400?) and 32 kanthal to start. How hard can it possible be to wrap wire around a toothpick sized piece of metal 3 -4 times? Come on.....EASY. A few attempts is generally all it takes any of us. One hard part can be the air flow, not the wicking. No air flow, no vapor. All the coils in the world will not work without proper air flow.
Also, the Kayfun, or clone, with a simple build with silica or cotton is also very easy and I like that vape the best. More advanced but similar is the Taifun, which can use mesh and silica/cotton at the same time, but also very easy to do.
Microcoils are harder than a simple compression/tension wrap. Exotic coils with fancy names more difficult. Dual coils is often two simple coils, but on a platform large enough to accommodate them, usually with twice the air flow. None of them is hard and there are plenty of great threads on building them.
What is most important is the science: Learn Ohms Law and Battery Safety. The equipment: Ohm meter, magnification, lighting, perhaps something to wrap a coil around from a paper clip to a drill bit, to a machine screw. Screw drivers, tweezers and pliers are helpful. Materials: Silica to start as it's easy, cotton later because it can taste better. Get 1mm and 3mm to start. Kanthal is 32 and 30 to start. Wire mesh (400) for a genny. The mechanics: YouTube makes it easy, particularly watching them on your specific device, but the skills do translate and cross over to other builds. Also, the best RBA people on the planet post in ECF every day. Read and watch videos before you build. Targeting: target your coil resistance going in. Check your results EVERY TIME, shorts do occur and for everyone (SAFETY is always number one). Knowledge is your most important skill. It will guide you and protect you. Work your way up: An RSST with a simple 3/4 wrap is as easy as it gets. A kayfun wrap is easy and more about not choking off the juice and air flow than anything. Silica is easier to work with as a starter, cotton better tasting later. A little cotton goes a long way, so I recommend silica to start, then add cotton. Avoid the exotic builds to start, dragon, nano, diamond, etc. Your second build is probably microcoils, but you'll need to add a heat source to your equipment. Perseverance: experiment and gain experience. Only way to get to Vaping Nirvana. Be patient.
Good luck!
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