Hi Melly and welcome. Im also a new member and I can tell you the people here are great and will help you any way they can
That said, I started vaping less than a year ago. I started with 6mg nicotine but that was too low for me, then on advice from friend I switched to 16-18mg and it was great. I smoked about a pack a day for 12 years of plain old winston blue before. I still sometimes get cravings and I'll buy a pack and it will last me a month. The hardest thing for me however was the comments I got from people who didn't know what vape is and still try to lecture me. Once i got over that it was great
The best advice I can give you is get yourself something simple (Innokin Zlide Tube worked great for me, you just turn it on and vape, only thing to adjust is airflow, IMHO it's great for beginners).
Second, like someone already said, don't compare cigarettes with vape. I tried that too, read a lot of guieds, and the best advice I got is still TRY and see what works for you. You can get some useful pointers, but in the and it's about what you like.
And lastly, figure out what flavour you like. A lot of people say you should go with tobacco flavour first, makes transition easier. It didn't work for me (might work for you, try it). I found out I like sweet flavours, the added bonus was that cigarettes started to taste really terrible after vaping so it made it even easier to switch.
So go find a good online shop (someone from your country can recommend something, I'm sure, just ask) and start looking at juices. Pick a few different flavours with different nic strength, don't worry about overdosing, and then start trying. Pick one fruity flavour, one sweet, one tobacco, that way you can figure out what you like.
Also, nobody seemd to ask, but what is pg/vg content of your juice? It could be you don't tolerate one of these. General advice seems to be to try 50/50 first and then work from there (pg=more flavour, vg=bigger clouds). Maybe watch out for this too, you could have some intolerance or allergy.
I hope I didn't confuse you even more and enjoy your vaping