If you are on a tight budget, you can easily travel on your own by public transportation to Ein Bokek. There are no scheduling problems here, as buses run on a fixed schedule, which you can get from the reception desk at your hotel. If you don't have one (which is unlikely), you can check the schedule of public transportation in Ein Bokek at the info center, which is located near the public beach.
The buses run along the main street of the city, and all the stops are appropriately decorated, so you just can't miss them. Remember that Saturday is the Sabbath, and public transportation is not available on that day. If you want to clarify any information, you can find out everything you need to know on the carrier's website.
As for the prices of transportation to Ein Bokek, it all depends on the route you take. There aren't very many, but enough to go on an interesting excursion. For example, you can get to Jerusalem in an hour for 40 ILS, Tel Aviv in 2.5 hours for 60 ILS, and Massada in just half an hour for 20 ILS.
The main transportation tip in Ein Bokek for tourists: don't be afraid to travel independently. Almost any sightseeing itinerary can be recreated on your own. For example, you can go to see the Ein Gedi Nature Reserve for just 20 ILS and be there in half an hour.
