Over the last two decades, I've accumulated a large stash of kits and aftermarket accessories. I built this AirTable database to catalog and manage everything. The stash is housed in a climate controlled storage unit a few minutes from my home.
My first choice for kits and supplies. They usually have the best price+shipping and their site has the best search/filter system of any hobby ecommerce shop.
scalehobbyist.com
My source for Japanese kits, supplies, tools, and books that are often hard-to-find outside of Japan.
hlj.com
Ebay often has the best price+shipping on new production kits and it's the best source for out-of-production, cottage market products from around the world.
ebay.com
I'm finding that the best prices for in-production kits from the big manufacturers, and hazardous liquids like paints and thinners, can often be found on Amazon.
amazon.com