Could you get less than 3? That would be bad. I want to get to DC 2 hours before my second ticket. I also want to buy my trip out of DC as two separate tickets because it's cheaper even though it's the exact same itinerary as a direct ticket. Would this cause any problems?
closed as unclear what you're asking by Vince, drat, Gayot Fow, Dirty-flow, Gagravarr May 11 '15 at 6:31
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First the system will know you have separate reservations, as each time you book, you should get a confirmation number and each will be different. The ticketing kiosk will look up the tickets to print based on your confirmation number, which will be also tied to the card you used. It is not uncommon for people to book multiple tickets.
And in worst case scenario, you go talk to the ticket agent at the bus station before your bus gets there and have them look up your booking(s). Of course this may result in the agent seeing your "hidden city" ticketing trick, though I am not sure if Greyhound has policies against this like the airlines do.