I'm flying with my DH bike next week so decided that I'd go for the free cardboard box from LBS option, however I've now got three boxes that are smaller than ideal. Should I:
1) just cram it in the largest box and wrap the result in gaffer tape,
2) create a box that's big enough (using the three boxes and lots of gaffer tape), or
3) something else (please don't suggest buying a bag / box as time is a little tight as is my budget).
Thanks.

