I have become very interested in the Tamiya paints bc I bought some in Petty blue and discovered that unlike most spray paints I can use in indoors and it doesn't run everyone out. It has very nice coverage as well.
I spent a fair amount of time watching YouTube videos on models and got a lot of great information on the subject. I learned that super glue has a "kicker" that makes it set instantly.... who knew.. LOL. Tamiya as some super thin paint that you can use on things like a chrome grille where the paint will lay into the depressions and give the impression of the holes being open or you could use it on something like a finned valve cover as well. Its actually also used to fill lines like where the trunk lid is where it blackens the groove between the trunk lid and body. They have it in black, grey, tank and I think brown.
There are products to help with decals as well, a wide variety of paints and tools. Its a vastly different world for models than it was back in the day. You can buy pre-wired distributor caps, fuel line, SS braided line, An hose ends, etc. The resin world is producing all sorts of things like hoods, engines, transmissions, etc.