How many shrimp are you looking for? Two LFS
's near me that carry RCS are Total Aquariums on Sunrise Hwy Lynbrook NY and Pets warehouse Glen Cove Road Carle Place.
Both sold RCS for about $4.00 - $5.00each last I remember ... Pets warehouse has carried other colored shrimp like Blueberry Shrimp, Yellow and CRS ... though it has been a while since I've seen any of those.
75g Planted Barbs Denison, BlackRuby, Tiger, Albino Tiger, Green Tiger, Cherry, Gold, Checkered, Odessa.
NonBarbs Cardinal, Neon, RummyNose, Bloodfin Tetras, Z. Danios. 1RTS. Amano, Bamboo, Ghost & RCS. 20g Long Shrimp Tank RCS, Tiger, Amano.