Please note that some of the kits or parts available in my store may require sanding before attaching them to your base figure. This may be necessary to ensure a piece fits. Sanding helps create a smooth surface for painting and finishing, resulting in a more professional and polished look. not all pieces will require work to attach, some will. Rarely do printed pieces need anything done before painting, so it's up to your descretion if you want to buff the parts.
I recommend taking your time and using fine-grit sandpaper or a dremel to carefully prepare the surfaces before proceeding with assembly. This extra step will contribute to the overall quality and craftsmanship of your customized figure, allowing you to create a truly exceptional piece.
Again, not all kits will require this, and If you have any further questions, feel free to ask away.
I recommend vallejo, model master, citadel, tamiya, and top coat with rustolium x2 ultra cover matte spray, in order to paint and seal all pieces.