You can mocha sauce on amazon. I got 2 bottles of mocha and 2 bottles of caramel for like 20 bucks

Starbucks Naturally Flavored Coffee Syrup, Sauce, Variety, Pack of 4 https://www.amazon.com/dp/B07NPM593B/ref=cm_sw_r_cp_api_i_We0nEbHKHTGHJ