>>2539357Hike is free and gets you familiar with your local biome. Familiarize yourself with your states trees, flowers, wildlife etc.
Slowly build up gear for backpacking. Always hike with all your gear to get your quads used to the load.
Fishing/hunting is next. I'll recommend fishing since it's cheaper than buying a .22 rifle and hunting small game. Learn to clean and cook whatever you catch.