Complication factors can be things like cost, unsuitable time of day, unreasonable time requirement, intimidation, and lack of resources (facility, equipment). Stop over-planning, over-analyzing or worrying about your workouts. If you have a skeleton, you can exercise. There are a limited number of joints, muscles and potential movements of the body. Which means that, for example, a squat ... is a squat ... IS A SQUAT! Everyone is allowed to squat. Everyone can squat. Everyone.
1. Use minimal equipment
2. Keep it short
3. Work with your schedule and body rhythm
YOU overcome to keep your fitness simple?