House electrical problem?

when we moved in the house we have the washer and dryer downstairs in the basement.. when we turned the dryer on there would be a minor power surge through the house. we got 2 window ac units like 2 weeks ago. and like 3 or 4 days ago we had a power surge and well its still surging!!! nothing is at full throttle,... show more when we moved in the house we have the washer and dryer downstairs in the basement.. when we turned the dryer on there would be a minor power surge through the house. we got 2 window ac units like 2 weeks ago. and like 3 or 4 days ago we had a power surge and well its still surging!!! nothing is at full throttle, we have to have multiple things off for 1 thing to work...my cable modem doesnt even have enough power to generate the internet (its a battery backup modem and when theres not enough power it dont give internet cause it runs off battery, and its running off battery cause the outlet isnt giving up enough juice for it to recognize it) everything electrical takes times to build up...our ac units, fans, everything besides TVs they turn on and off just fine..but everything is unplugged right now so im able to use the internet to ask FOR YOUR HELP, im not rich so plz just tell me whats wrong
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