This is only from the little knowledge I have, I don't work for any ISP.
I don't understand a Row House, no one is sharing your outside box right? Just in the back or what?
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At that point I'm assuming the coax you can see inside is only for TV stuff.
I'm wondering how big your outside box is, cause FIOS boxes *inside* I've seen are kinda big like 1.5ft long 2ft+ tall, and have Fios written on them somewhere. I've seen those things with burn marks on them, like they fucked up somehow from weather or a discharge, whatever(and yeah inside not exposed to stuff)
You could get any kind of ethernet wire tester
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I'd be interested in the outside wire going inside. Is it not actually exposed to outside weather or anything?
I dunno, so
1.) can you use the above to test that main ethernet cable from your fios? Do you even see an offwhite "Fios" looking box. which is technically supplying internet?
2.)i don't know about your multiple APs. If they're good for working with eachother. I'd figure they should if you set them to AP mode, a device should just switch to the better connection as you walk, but this stuff can be shitty/glitchy so if a main gripe is wifi it may have to do with these.
Thing i first mentioned, if you had a modem giving out wifi AND a router giving out different wifi you'd run into problems, but your APs are all giving out the same connection option right? Just 1 possible wifi name
3.)someone's going to fuck you, though I dont understand what a row house really is if you have a garage
My main assumption is you're never getting what you're "paying for" speed wise, and they have all the motive not to help someone in your scenario.
And I'm of the conspiratory mind that even if ISPs were competent enough to give you what you're paying for that they would throttle it since you're not a +renting router customer.
Fun side note: I'd been paying a measly $35 for internet somehow just streaming on a laptop and playing video games, years later my girlfriend moves in and it randomly goes up to $65 then 2 months later $105. I swear it's because she wants to leave the TV on streaming something for the dog and it's an unknown agreement about my data usage. Their deals only exist to fuck over the customer since there's no alternative