A telephone directory is a classic low-budget laptop or monitor stand. If you've cancelled delivery of the telephone directory, Lifehacker reader Chris suggests a bulky textbook can be a useful alternative.
Of course, budget-minded students might choose to sell their textbooks at the end of each semester, but for books you can't or don't want to sell, this is a potential alternative. For more laptop stand ideas, check out more DIY laptop stand designs. Thanks Chris!