If you have a riding lawn mower, consider buying or trading it in for a push mower. If you push mow your yard, you will be burning many calories that can result in weight loss. While push mowing, you are walking and pushing a mower, both resulting in calories being burned. It can be great exercise for people who don't enjoy traditional exercise.
In order to lose weight, it is important to let other people know about it. A good way to start this, is by telling your family what you are doing so they will be aware of your efforts. Another good thing about letting others know, is that they will provide you with all the support that you need.