I have used American Journey from Cheap Joes for the 37 ml tubs and price. I have a variety of red, yellow and blue Ultra Marine Blue, Cobalt blue, Alizarin Red, Poppy Red, Quinacridone Gold, Bumblebee Yellow, Andrews Turquoise, Janet's Violet rose, Quinacridone Burnt Sienna and neutral tint for making darks.
Having a big sale, on-site celebrity, or other event? Be sure to announce it so everybody knows and gets excited about it.
Any white palette you can load with paint will work good.
A back board to Tape your paper to using masking tape.
I use 140 pound watercolor paper cold press so it has some bumps to give more texture. Natural white is the best kind not the bright white.
Paper towels, masking tape, spray bottle, iPad or camera, sketch book, masking fluid (if you have it or use it )