Booked because it was the cheapest, I'm not that bothered about shared transfers - as I always say I generally know someone or more on it which means the chinwagging can start early. Paid £35ish for the four of us return (plus £1002 credit card fraud - only joking Diane
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In brief:
To Calis: 2nd to arrive at transfer bus (6 total I recall) so 35 minutes wait. 3rd dropped off of those 6 parties. Driver possibly the slowest transfer driver I have ever known - but prefer that to getting the fastest to be honest. Driver was helpful getting our cases off for us.
To Dalaman: Pick up time confirmed 2 days before as 18:40. Arrival at hotel: 18:40 precisely. One family on bus already. Then us. One more family picked up and that was that, no more pickups - straight to Dalaman. Good driver - totally unremarkable which is the driver of choice for me. Took every case/bag off himself which helps.
Just sharing our experience in case anyone is considering using Resorthoppa/A2B and hasn't thus far.