What is it:
Well i was thinking that some times is quite boring to go to the checkpoint at ammunation (the default one; no the spawn weapons one) to buy armour and its very slow, etc. So i think you could make a donator checkpoint were u can goand instantly it removes 240 if u have no armour and sets your armour to 100 , if ur regular, just a message " you are not donator" or...
If you enter the checkpoint andyou are donator there you have to put /armour , and this command only works if your at checkpoint.
The advantages
Is faster and great.
The disadvantages
None.