Need advice with cleaning.

I just bought my first car 2 days ago, its an i20 nline in titanium black. I thought i knew what i was getting myself into. But naah man this car gets dirty if you breath the wrong way in its direction. I love this car so much, its so sweet to drive this car, looks gorgeous and i want to keep this car looking clean. I read many post about keeping a black car clean, i bought two 1200 gsm microfiber cloth(generic amazon brand) one jopasu duster, planning to buy 3m car shampoo and also a car cover our area is very dusty and it rains alot(kerala). I dont know anything about the detailing part and keeping the car shiny. The water spots looks abysmal. Is water spots unavoidable withput ceramic or graphene coating? It costs a lot and many people said its not that great. Please tell me the reality about ceramic/graphene coat. Also i heard about turtle wax you apply yourself, does that work the same as apllying ceramic coating? Doing the work is not a problem for me. I find car maintanence really zen.

So guys please suggest must have tools/products and methods for car cleaning. And what us rinsless wash?