For the structure, see Pyramid. A pyramid is a three-dimensional shape. It has triangular sides that come together in a point at the top, call the  apex . A pyramid with a square base (bottom) and four sides is called a square pyramid. A pyramid with a triangular base and three sides is called a tetrahedron.
If youâre going to be an online personal trainer, do it right. If youâre looking at how to become a personal trainer online there are two ways to do it: 1  Take on a smallish amount of clients (10-20) at $100+/month.2  This is at least an extra $1,000/month! (and $100/month is a low price.). 3  Take a step back from training in person and commit more time.f youâre going to be an online personal trainer, do it right. If youâre looking at how to become a personal trainer online there are two ways to do it: 1  Take on a smallish amount of clients (10-20) at $100+/month.
Basics. The Bureau of Labor Statistics shows that fitness instructors averaged $17.38 per hour or $36,150 per year as of May 2011. However, this average takes into account all exercise specialists including personal trainers who worked only with individuals.asics. The Bureau of Labor Statistics shows that fitness instructors averaged $17.38 per hour or $36,150 per year as of May 2011. However, this average takes into account all exercise specialists including personal trainers who worked only with individuals.