It's a great deal when Groupon or Living Social offers round trips to L.A. for $20. The only thing that would make the ride suck are the other passengers, just like flying
Things you should know: If you're driving to the bolt bus you should park at the Plaza Hotel parking lot, only $5 to enter and no daily fee. They say to be there 15 minutes before but I would give yourself a little more time so you can get a good seat. The best seats are going to be in the front half of the bus, trust me you don't want to be near the bathroom. The ride is almost 5 hours including a stop in Barstow for food. You arrive at Union Station when you get to L.A. On the way back to Vegas I'd get there 30 minutes early, there seems to be more people on the way to Vegas. One last thing, they advertise that they have wi-fi but it doesn't work, if you have a laptop or tablet make sure you already have movies to watch.