About to place my initial peptide order. Is it smarter to grab a single kit and eat the shipping charge just to see how it goes? Or should I commit and buy a larger amount, particularly since it cuts down on shipping (from what I can tell, shipping comes out to 50% of what 1 kit costs)? I figured maybe 3 kits, because my husband and son are probably going to want to give it a try as well. I've mostly settled on reta 10mg vials, since my plan is to start low and increase slowly.