I started going to estate auctions and sales. It's a little morbid because most of the time someone has passed away, and it's weird going through someone's home like a scavenger, but it is a great way to find deals. At one I found a gorgeous European village scene water color painting that I purchased for $20 and had it appraised for $250. At that same sale I scored a set beyond all sets of Denby pottery. You don't know pottery until you know Denby. I bought 8 teacups, 20 saucers, 8 crocks with lids (perfect for chili and french onion soup) and they fit on the saucers, a sugar bowl, creamer, serving platter, huge salad bowl, and 2 soup bowls...all in immaculate condition, in timeless neutral colors of light coffee and ebony, all for $20!!!!
Same estate sale I bought an antique walnut sewing table with the burnt in ruler marks on the top, and drop spindle legs (not the type with the sewing machine built in) for $10. Had it appraised at $175. These are the things I love to come across. I'm a big furniture junkie, and love pottery and art, and lucked out on getting all three in one place.