To play with a friend. Do I need to buy server hosting?

And what turns out will not help to buy a server hosting and play on it with a friend?

What then is needed to avoid it? on a single world, everything is stable.

Hosting rental won't help?

Yes, you are right.

Hello, I have a big problem playing on my friend's server. He is a hosting company, his internet is good enough as mine. But there is a problem such it is a big ping.

I tried to be a host, he has the same problem that a large ping.

At this time, when I was on the server, the statistics were as ...

Hello, my friend has a problem with the server list. When he enters there he writes the following message:
download error (status: 520): Failed to parse JSON. Unrecognized character(s) on ?:1

Also, when he comes to me via a Steam connection, that is, he joins as a friend, he starts an unstable ...