This step by step tutorial of how to upgrade, paint and restore used furniture for profit project can be a second income for self supporting homesteaders. When it comes to making extra money on the side there is not a shortage of ways to do it. Unfortunately, not all of the ways may be suitable for everyone and you need to find ones that fit in with your own skill set. One very popular way to earn a pretty decent amount of money on the side is flipping old wood furniture.