When I had my surgery, I had just my one friend come with me. We live in michigan so it was a 24 hour drive that we spread over 2.5 days. She had to do all the driving on the way home which took the same amount of time. I bought a couple travel pillows to prop up my arms which worked well since it hurt to have them down by my sides.
Approximate cost was about $1500 but we did some sightseeing and bar hopping in the few days prior to my surgery. Cost will also be affected by when you go, I just got back on Oct 21, which is the off-season so the hotel rates were half of what they are in Dec-March.
We also got a hotel room that had a microwave and a fridge, so we could have meals not out, which is really nice the first couple days after surgery. Soup, crackers and chicken salad sandwiches tasted really good.
Other things we brought/bought that worked out nice:
Heating pad-if you get an aching back from sitting or laying down goofy
Baby wipes-You can't shower until the doc takes off the bandages, so these work really well for sponge baths
Plastic silverware & Bendy straws-I couldn't reach my mouth even just eating chicken nuggets so a plastic fork was a lifesaver
Good luck guys! Dr. Garramon is awesome!