Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to use virtual personal training [title] Make a list of sites you like. [step] There are a great number of websites that offer virtual personal training, as well as mobile apps. While these have a number of similarities, you should be able to narrow them down based on your budget and personal fitness goals.

Ending1: [title] Look into low cost virtual/certified trainers companies. [step] Several of the drawbacks of hiring virtual trainers is that instead of paying for their services, they do offer free routine training. Ending2: [substeps] If you know anyone who uses virtual personal training, ask them which site or app they use, and how their experience has been. If your budget, time constraints, and interests are similar to theirs, this can be a good way to find sites or apps that you might like. Ending3: [substeps] One popular site is freebaby.com. These sites offer virtual personal training internet and features matching your fitness goals. Ending4: [substeps] Before you start, make a list of some of the sites that will work best for you. Should you be able to start a training program on any given day, and then continually monitor your progress over time? Consider subscribing to amazon's online training program.

Answer format: ending1/ending2/ending3/ending4