1. Total payment
Start with the dollar amount that will actually be charged. A lower unit price on a larger package still requires a larger upfront payment.
2. Shipping
Current seller materials advertise free shipping on some multi-bottle packages and a shipping charge on the one-bottle package. Confirm your destination and final checkout total.
3. Quantity you realistically want
Buying more product only creates value if you intended to purchase and can appropriately use that quantity. Do not buy a larger package solely because the seller labels it “best value.”
4–7. Label, guarantee, bonuses and support
Review the current label directions, refund terms, whether bonuses matter to you, and which support channel handles the transaction. These factors can matter as much as unit price.