me:hey groupies want to join me
groupies:one of us will go if you pay 800$
tommorow...
me:hey groupies us still has room for two more people do you want to join?
groupies:pay 2500$ and one of us will go
the next day...
me:hey groupies there a room for one more people come if you want to join
groipies:pay 6000 and one of us will go
me:you all are getting expensive!but i will still buy