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.
1. Depending on the class I teach, it's $22.50 or $25.00. Also a free membership, and I don't have to pay for CPR and AED. For mandatory meetings and similar stuff, there is an established hourly rate which is around $19.00.ts according to location and qualification. Some instructors earn as little as $10 per class and as much as $50 per class. Certification makes a difference as well. Many corporate fitness clubs pay more than local gyms.