A way to tell how congested the beam you are on. Did you have an option for the Gold plan? If it was Silver for $150, then you have a more congested beam.
It is not very scientific, but the Viasat plans and pricing for your area basically reveal the type of experience you may have with internet performance.
Also, which unlimited plan do you have and how much are you paying for it?
There are three different unlimited plans. Knowing what plan you have and how much you are paying for it will give us an idea kf you are on a congested beam or not.
The gold plan isn't even available on the congested beams.
Best solution would be to turn off Windows 10 updates, turn off HD for Netflix and get rid of the kids.