[Questions] SneakerVPS / SneakerProxies / VPS Questions

Sorry If the question maybe simple but I don't really know much about hosting things.

1. I've seen many sites/advertisers selling VPS for sneakerheads and as well as sneaker proxies. I just want to understand how this works. In my mind I thought that a Sneaker VPS would be good enough and there would be no need for proxies. Are proxies just used for the bots or would I need one for my VPS? I'm planning on renting a sneaker VPS for this month just to cop one pair for myself as I know that home connection isn't good enough. So, would I need to use a sneaker proxy or are those only for people who use bots to cop more than one sneakers?

2. This question is really related to sneaker but more of VPS. Can someone explain what "OpenVZ VPS" vs "KVM VPS"

3. Also, does anybody know a good service that provides good VPS with 5+Gbps upload internet speed? I'm using a bot/custom application that uses high amounts of CPU depending on how many threads I use, what would be the best kind of VPS should I use?

I'd imagine the proxies that come free along with the programmes would not be as effective because to save cost the sneakerbot provider would have to reuse public or shared proxies that is easily detected by sneaker sites so the IP will be blocked or restricted any way. IMO the best way to get around this is to access private proxies that isn't shared but that is very costly.

brainagogo said:

I'd imagine the proxies that come free along with the programmes would not be as effective because to save cost the sneakerbot provider would have to reuse public or shared proxies that is easily detected by sneaker sites so the IP will be blocked or restricted any way. IMO the best way to get around this is to access private proxies that isn't shared but that is very costly.

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Yes, I know that but not talking about the program. I'm talking about the VPS itself that it is "1ms ping to the sneaker datacenter".
What I'm really confused about is the server, since it's a sneaker server which makes it easier for people access the sneaker site then what's the point of proxy? Is proxy just an IP changer for the current computer? Does having one proxy change the internet speed?
Lets say i buy a sneaker VPS that provides 1Gbps internet speed that is "1ms ping to the sneaker datacenter", what does a sneaker proxy actually do?