rental car to emerald lake is the way, much cheaper, here're som

Avis rental takes a long time (~30-40 minutes), be sure to get there early. Reserve it early, since only limited numbers of cars/vans

Driving is super easy, only 1 highway and flat, so you will not lost. Plenty time get to Emerald lake and back

Get Murray's Guide to the South Klondike Highway, it points all the points of interest along the drive

We like the stops at suspension bridge, dog sledding, multiple lakes,  small water fall, view of the cruise port from hills. Stop at every overlook area, plenty time to see everything