I think this is in the class of "Luxury Problems" really at least to me.
They are in Florida 6 months a year and have the problem upon their return.
Evidently it is the opposite problem down there as friends always go to that house in the "Off-season" and drive the car down there.
No one ever come to STL in the winter so the car sits.
I have long since suggested all of these solutions but als it is not my car or directly my problem,I was just pointing out when I started this that this particular car requires more jump than a single booster pack provides.
Actually he came home Friday to play Golf yesterday and I have been keeping the car inside the Garage this year unlike before.
It fired right up this time despite the same sitting period as before. Just being inside seems to have made the difference.