Allaboutpeptides COA batch numbers actually line up

I’m weighing Allaboutpeptides (allaboutpeptides.com) against another supplier before buying anything for lab stuff. For those who’ve ordered: what shipping options/carriers and dispatch cutoffs do they list, and do they show tracking and packaging details before checkout? Do they have batch-specific COAs for every product, with third-party purity/identity methods and dates? Where do shipments originate, and is domestic vs international fulfillment plus customs/reship terms spelled out? How does pricing change across quantities, and are there minimum orders, payment methods, or restocking/return policies? If something’s out of stock or backordered, what’s their communication and substitution policy? Just trying to compare public listings and what I can find online before I decide.