Treadmills

Running and jogging would be the easiest exercise to do to start your fitness journey.
You get to burn calories as well as improve your cardio health when you run.
When you run over a certain distance, your heart rate increases which will help to improve your resting heart rate.
Long distance runs can be effective in burning calories as well.

With a treadmill, you can easily complete significant distances from the comfort of your own home.