Building a home gym on a budget can be achieved by prioritizing essential equipment and thoughtful purchasing. Start with versatile items like dumbbells, a resistance band, or a yoga mat, which enable a wide range of workouts. Look for second-hand equipment through online marketplaces to save costs. Also, consider using bodyweight exercises, which require no equipment yet deliver effective training. Finally, dedicate a specific space in your home for regular workouts to foster consistency and motivation, ensuring the gym is an engaging and functional area.