How do you tell the difference between the drug working and just a good week?

Check the register yourself rather than trusting the number printed on the site.

Fifteen years of this and the function column is the only one that changed anything for me. Also, one page of history, printed, handed over at the sta…

The address matters more than the contents eventually. Changing what you order when the address is flagged changes nothing.

Split orders. Two small parcels beat one large one for reasons that have nothing to do with price.

Three questions kill most of the confidence in a thread like this: sample size, blinding, who paid.