Try Sally Beauty Supply:

As I Am Coconut CoWash - $7.99 for 16 oz.
GVP Conditioning Balm - $4.99 for 16 oz.

Depending on whether or not you're "CG", "Modified CG", or other, Sally's has 33.8 oz bottles of many excellent products & the price can't be beat. i.e.:

Salon Care Honey Almond Shampoo - $2.99 for 33.8 oz.
Apple Pectin Fortifying Shampoo - $9.79 for 33.8 oz.
Ion Color Defense Sulfate-Free Shampoo - $10.49 for 33.8 oz
Silk Elements Olive Conditioner - $6.00 for 33.8 oz.

etc. etc......
3b/c, Coarse, Low Porosity, Desert Climate
CG since August 2011/Occasionally Minimally Modified since 2013
Favorites: Beautiful Nutrition Cocoa Curl Cleansing Conditioner, Beautiful Nutrition Cocoa Curl High Definition Moisture Gel, Beautiful Nutrition UltraLight Lime Jel Control Serum, Beautiful Nutrition Lemon Rinse Clarifying Treatment