the beads will not adress a problem with lateral imbalance across the tire (side to side) very well. So if one side of the tire is heaier (like where the radial bands overlap) that is best addressed by wieghts. What I do with all my tires is let the tire shop do their best. I even harrass the crap out of them and take it back over and over if i have to. I try to make them do their job even though I know the beads are going in. I stand there in th shop and watch them. I make them pull multiple small wieghts off and replace with a larger one. I make sure they actually follow the machines directions and I make them show me the wheels are straight before they mount the tires. I make them dismount the tire and rotate it on the wheel if the wheel weights stack up on bothe sides of the tire for more than 1/4 of its perimeter, at least until they prove they have no choice. Yeas I am an @$$ but in 30 years of running large diameter tires I have learned one thing. I know more about balancing tires than they do. You will too. All it takes is one set of tires that they can't quite get balanced, and 55 MPH max speed is not acceptable. Period. They will have a ton of excuses and they will out right lie to you with a problem tire, but in the end they owe you a tire that will run comfortably at highway speed.
Your goal is to leave their shop with the best balance you could possible get. On any tire wheel combination under 35" they should be able to provide you with a ride that is at least tolerable at 70 MPH.
If you can find a good shop with a hunter machine with the glue on wieghts that they glue to the inside on the tread they can get almost any tire perfect if they know what they are doing. Unfortunately the only guys that know how to use the machince were trained when the machine was bought new and don't work there anymore.
Don't be afraid to tell the to take their crappy out of round tires and cram them if they cant get them balanced close.
There is a reason for all of this. Yes they owe it to you if they sold you the tires, but beyond that if they cant get a large tire baalanced it is often an indication that the tire is not anywhere near round. Some large tires are so bad you can measure the differnece with a tape measure. I had a set of uniroyal P255/85/16s that were 1/2" higher on one side of the tire than 180 Deg across the tire. I fought that problem with NTB for two months. A tire that is that far out of round will wear out faster and will give you problems the entire time you own it.
Once the balancer has done the best he can I break the tires down in my drive way by putting the highlift jack on the bead and using another vehicles weight to break the bead on one side. I put in enough beads to balance the tire without wieghts. That is a safe gaurd in case I loose a weight or mud accumulates and dries on the back side of a wheel or hub cap.
I have had great luck with this method. I have been doing it for at least ten years now, and evey vehicle has runs smoothly up as fast as I want to run them.
The tires will last longer too.