Wipe down the interior with a damp nearly dry sponge to remove saw dust. A sponge on a plate soaked with distilled water will have more surface area than the shot glass.
Check the seal using the dollar bill technique. Seal seams with food grade sealant if needed. If it has a sure seal closure don't use sealant on that. Painters tape can help with that seal.
Store infused cigars separately or everything will become infused. A ziplock bag or tupperador with boveda bag will do.
Look through the past posts to try and get an idea of what we smoke. Your preferences may differ. I've done the samplers but after a while you'll figure out your preferences.
I prefer maduro so that's mostly what I smoke. Favorites are anything Liga Privada, Crowned Heads, Durbarton Trust, Tatuaje, Arturo Fuente, but there are many more. They cost a little most but I find them to be more complex and not as one dimensional.