It is commonly known that the best way to increase your chances of achieving the VCDX title is to join a Study Group, have your design reviewed by VCDX-level peers, participate in VCDX-level Mock Defences and be mentored by already qualified VCDXs.
With that being said, the Study Group is a symbiotic relationship where each participant is expected to contribute to the group and give as much as he or she receives. There are no free rides.