Whether it's a vase or a blouse you think you need, look and see if you can find something you forgot you even had. Mail-order shopping is a great way to save time, fuel and money. But avoid the companies that make up the cost of glossy catalogs by charging twice as much. Make a list of ideas for doing this, and try it. Retailers hear this all the time from frugal gents, and will gladly oblige you, but you'll probably have to ask.
Garage sales are great places for tools.
Tools can be bought secondhand and resold for the same price when you're done with the job. Celebrate holidays, but cut your spending in half or more. Be sure to celebrate Buy Nothing Day, the day after Thanksgiving.