In 10 hours, only one smarty-pants out of a possible 6079!
The point is, there are frequent threads asking "what's the tide times", "Is there petrol..." and many more which would be answered if the person had purchased an almanac.
Reeds is a great publication, it answers so many questions, and is £30 well spent. I photocopy sections from mine and keep them on the boat.
Another tip is the RYA diary... it has tide tables and tidal differences for Dover, Harwich, Plymouth and Portsmouth for the whole year for about £6