Welcome Vinzy.
This hobby is bad for the budget, whether or not you will be making cash from it is probably debatable, but from what I have heard from long time breeders, not so much, but it is nice getting something back for the effort and patience.
A versicolors are quite hard to find. I got mine from Paul (SARoachman), but I see on his site they are sold out.
So while you wait, try some of the other nice looking species. The Brachypelma boehmei and auratum are pretty. The Cyclosternum fasciatums are stunning as well (snarf has some for sale @ cheap).
There are some P irminia sling (arboreal) available from quite a few breeders at the moment. They can have some attitude when they are larger, but are still awesome looking and nice character. (I am getting 2 tomorrow

)
I have the P cambridgei specimens as well.
The Poecilotheria species are also not aggressive like most people believe. They are stunning, nice to observe when hunting and grow very quickly. Make very good display arboreals.
But anyway. Can go on for hours, ask my family and friends
Enjoy