Williams, try reading through this:
I also respectfully disagree. Most here have been blunt, but honest about what the OP is proposing. Most were essentially saying the following:
Both of the above are from a good read on the subject
In the end, what most of us were trying to do was to make sure the OP understands what's ahead. When money is already tight, buying a liveaboard may not be the best use of the available resources.