May one take apart his Sukkah during Chol Hamoed?
This matter is disputed in Poskim. Some Poskim rule it is forbidden to take apart a Sukkah during Chol Hamoed even if one desires to erect it in a different area as by doing so one is nullifying its holiness. Other Poskim rule it is permitted if one plans to rebuild the Sukkah in another area.
What is one to do regarding a portable fold up Sukkah?
It is best to erect the Sukkah on Chol Hamoed and it is then permitted to undo the Sukkah according to ones needs.