Trying to Fix Something and It Gets Worse

When you try to fix something, do you run into the problem that it gets worse?
This used to happen to me often with plumbing projects. I did them so infrequent6ly that I had to learn all over again when I fixed something. On numerous occasions, I ended up breaking something along the way and had to recoup from that as well as the original problem.
I’m now facing the same thing with slow Internet speed. I called, and the technician speeded up my connection a small amount but recommended I get a new modem, so I purchased a new modem and now the speed is lower than with the old modem. After some dinking, the technician gained me back a little speed, but I’m still worse off than when I started. Now I have to wait for a repair person to come to my house to take a look.
Sigh. The wonders of the modern world.