Not sure about Spain, but in UK unless there is a government subsidy they are definitely not cost effective.
No regrets whatsoever, the one big plus that I find is when we go to our holiday home we are relaxed from the minute we arrive because we are familiar with the place.
I would say hire the car with you as the driver and name your husband as the additional driver.
Still no latest posts Justin?
We went in May. It was so easy and well run there are no problems that I could think of.