Nothing wrong. But depends on the situation. Remember that multiple
appdomains does not mean multiple processes - so the following applies:
- If an appdomain crashed the process, all other appdomains are crashed too
(no process-level isolation)
- Each appdomain that is created is still in the same process - and hence
from the perspective of the processor, still being considered as a single
process. This means that if you had too many appdomains, your execution might
take longer.

But sure, there are many advantages of creating an appdomain on-the-fly -
which is why I think it is there :)  

Regards
Pandurang