> these $5 servers are VPS and the resources allocated are guaranteed so...how can neighbors affect the performance of your server Yes, they're VPSs, but no, a

> these $5 servers are VPS and the resources allocated are guaranteed so...how can neighbors affect the performance of your server Yes, they're VPSs, but no, a VPS does not provide the level of isolation that you're imagining. RAM is easy to offer guarantees about, CPU can be (but you can often burst over your guaranteed allotment, which means there's often high variability in performance, even if you always get what you're technically paying for), and disk IO is very hard (and you'll notice cheap VPSes don't even try and promise you any specific amount of IOPS). There's a million links discussing this, google "VPS noisy neighbor" or see, eg: https://www.liquidweb.com/blog/why-aws-is-bad-for-small-organizations-and-users/ https://www.liquidweb.com/blog/why-aws-is-bad-for-small-orga...