But what if the cost of the land takes up most of your savings, even worse, all of it? What can you do to offset the cost of the land? Growing your own food is key to your health and ultimate survival on your homestead. This is also a smart way to make some extra income. Here are some hardy plants that you can grow almost. With homestead survival, gardening will be one of your most renewable resources. You can use it to feed yourself and your livestock.