This sounds like when a MESH WIFI system would be the cure. TP Link, Google and others have them now.
Many listed at https://www.cnet.com/topics/networking/best-networking-devices/wifi-systems/
And no, I don't expect a new router to help here.
So im on the third floor of a house. The Router (isp is virgin media we have the best package without being a business etc) is on the first floor, more or less directly below me.
My current setup is that i use a tplink which connects to it via a wireless connection and then an ethernet cable goes from the tplink to my pc. With this current setup i get around 9 ping, 40 down, 3 upload Which is fine but it is super unstable. If someone is using the wireless internet mine starts to drop heavily, im talking 100+ ping, 10 down, below 1 upload.
Im aware wiring a cable up is an option but i cannot do that, Powerline adaptors are worse than the wireless adaptor i currently use. Would getting a different router have much effect? or is there another alternative that would work well?

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