Can I substitute other products if I cannot find the requested product in a store near me?

Take note of the instructions on each opportunity.  If ever there are substitutions allowed, it will be outlined in the instructions for you.  If there are no substitutions listed in the instructions of the job, do not purchase or submit any other product/package- including different sizes, flavors, varieties, scents, etc.  Additionally, if a 4 count product is required, do not purchase four 1-count products or two 2-count products.  If a bundle is being sold (online items), do not buy the individual items separately in stores.