The seized fasteners aren't the only thing which need lubricating... staying hydrated helps you stay alert, focussed and co-ordinated. Bottled water is a rip off so you won't find that here but there are caffeinated beverages.

• Stay hydrated.

• Stay warm.

• Stay alert, focussed & co-ordinated.

• Buy something you really enjoy.

• Don't buy bottled water - you can filter your own.

• Don't buy sugary energy drinks.

• Don't work when you're tired.

• Don't work when you're ill.