Rex Dark said:
Being unable to open your own gym.
Now someone needs to make a game out of this!
Imagine it now!
A game kinda like Simcity where you manage your own town.
Start from premade towns, or make your own.
You become the gym leader, the unofficial mayor of the town, and you design your gym, (how many trainers you put in, decorations, puzzles ect), but in order to make your gym better, you need better trainers.
To attract better trainers, you need to invest in the town. A better town, more trainers attracted to it. But you can also train your existing trainers with the gym equipment, (but the success is limited, and you cannot change hired employees pokemon neither).
You'd also have to go out and train your team, and try to catch new pokemon of your chosen type (more type sets become available as you progress), so you could go to other gyms, and challenge them.
If you win, you attract more advance trainers to your gym, and you also get access to better funding, and attractions for your town. (You can also get more trainers set up in your gym as well)
But you'd have to close down the gym to do so, which is risky, as if you spend too long, your gym begins to deteriorate, and trainers may end up skipping you all together.