Video of waste line/cleaning: Good idea?

My neighbor with a house just like mine built the same year (1957) by same builder just had to have his main waste line replaced after some roots (11ft down) blocked it up.
Is it a good idea to have the sewer line video'd and then possibly snake/cleaned out?
I guess I'm thinking if there's a few small roots getting in I can get them cleaned out before they ruin the line (which is clay by the way).

I'm wondering if the cleaning could actually damage the lines?
Should I just skip the video (and cost of $250) and just do a cleaning with the idea that after 50 years there must be some roots?
What should something like that cost?

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The only good reason to get a video is if you have some recurring problem and the plumber who snakes the lines cannot tell you the reason for it, and roots are not a good reason to do it because all clay sewers have roots. I have only had about a half dozen sewers videoed in 55+ years. Save the $250.00 and apply it to snaking the sewer when it needs it, and if it needs it more than once a year, then put the $250 towards a new sewer.

I guess you're saying don't video, or clean unless there is a problem?
My thought was that perhaps a little maintenance cleaning might prevent the roots from causing more damage or from getting so thick that they can't be cleaned out.
Is the cleaning a waste of money unless there is a problem?

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Yes to both questions. If you snake and clean a sewer that is not having a problem, but has roots growing into it, then the cutoff roots will just lie in the pipe since there will not be adequate flow to flush them out. This will create a source for a "log jam" and then the sewer will plug up and have to be snaked again to dislodge them. If the system is plugged up when the roots are cut, the backed up water will have the necessary force to flush them into the city's sewer. And videoing is never warranted just for informational purposes, without some underlying problem that makes it necessary or desirable.