Good luck and please let us know how it goes!
If I could make 10$ a day it would be enough to make a living here, Gert style ;)
I have my pics sorted, filed, divided by places, topics and years they have been taken. Underwater photos separately, garden separately, etc. The only thing unsorted is related to camera evolution - the older the picture the smaller size obviously. I doubt a bulk upload makes sense, as your chance to sell any is as good as keywords you add to each picture. And that might be time consuming.
On the other hand, while posting here I could upload a pic or two, and then, who knows ....