Multiple Children with Multiple Parents

I have to run to a meeting now and will be off line for quite a few hours.  While this can be done with a whole bunch of reverse relationships, I would need to know what the maximum number of permits which would need to be rolled up to know if reverse relationships will work or we need another technique.  can you tell me more about these Status choices?  Is it a limited number of choices for the statuses.  Also, is there a limited number of choices for the types of Permits?  That would help me suggest a solution.