How easy is it to get a Plane of Sky belt?

[mev]

One post indicated that getting an FBSS / SCHW isn't worth it since it's easy for a monk to go to the Plane of Sky and get a Belt of Tranquility.

I am almost 46 and this is my first character, so it would be wonderful if I could save some money by getting a Belt of Tranquility.

Is that reasonable? What would be the best way to go about this? How long should I expect it to take?

Thanks!