POTS Survival Guide Series on Youtube
These are some great videos made by a girl who was also quite disabled by POTS.
Basic Reconditioning Arm Exercise
Reconditioning Leg Lift Exercises
5 Minute HIT Jumping Jack Workout
This video doesn't particularly look POTS-friendly to me, but she does say it's only for people who have already undergone reconditioning. Anything that involves standing, jumping, or bending makes me too dizzy. However hopefully as my POTS improves, exercises like these will be possiblel
POTS Survival Guide also has other great videos on tips for people with POTS, so be sure to check them out!