Nina Willdorf has compiled a great book of helpful tips for the modern girl looking to save money. She interviewed tons of women to find out ways that they save money and live well, covering subjects from groceries to home decor and more.
In the home and garden section, she has a talent in simplifying everything that you need to know when purchasing furniture including price guides and whether or not you can purchase the item at a yard sale or not. There are also helpful websites at the end of every section and stores where you can score the best deal.
Go ahead and check this book out at your local library, it will not cost you anything and may end up saving a lot of money.