We have one goose and she is a wonderful well adjusted sweetie. She is imprinted on us but lives in a coop with her 3 gal pal duck friends. We don't have a farm or ton of land and can't have more, but I would NOT be judgemental and tell someone not to have one. Plenty of people do have one happy...
For pete's sake please postpone your trip! You took on this responsibility, give the little guys a good chance. DO NOT abandon them so close to the finish. You could go on vacations another time. It would NOT be worth it to me to go on a trip knowing what I had done and what would probably be...