Limitations of magic

[eledhwen_0]

No: HPFGUIDX 40855

Hi everyone!

I've allways wondered about the limitations of magic. It seems pretty 
certain that you can not just conjour up whatever you want (food, 
clothes etc) because then nobody would be poor and all the stores 
would go bankrupt, but in PoA Dumbledore conjors up sleeping bags for 
the whole school, while searching the school for Sirius. This doesn't 
make sense. If you can make sleeping bags by magic then you can make 
anything else you want, but that doesn't work as I've written above. 

My theory is that you can conjour things up only for a certain amount 
of time and then they disapear. Thus food made by magic will disapear 
afte a while and leave you just as hungry as before, clothes made by 
magic will also disapear after a while as will money and everything 
else. This would make it necesary to earn money and either buy or 
make other things, since the ones aquired by magic will not last.

I'm not sure if this makes any sense and I admitt that my theory 
probabaly needs some fine tuning, but the fact that Dumbledore was 
able to just get sleeping bags like that has always bothered me.

Got any ideas or opinions?

Eledhwen