Look, I think we did this on the previous thread about Chi!
No, don't do it, swinging moorings are horrible - go for a nice marina in, say Brighton :-)
Your battery will go flat, your boat will get grubby, and you'll probably drown in the dinghy.
Er, year 1 on the mooring, I spent the cost difference on heating, year 2; new sails, year 3; Walker Bay - this year I donno, maybe upgrade the instruments or solar and a fridge...
"when the ship arrives in a wine country, there the master shall procure them wine to drink." Article XVII, Rules Of Oleron