Congratz to 20 years! Any tips for those wanting to start blogging now (or not)? Could you share a bit given what might work well with all the noise today? I

Congratz to 20 years! Any tips for those wanting to start blogging now (or not)? Could you share a bit given what might work well with all the noise today? If you like writing about multiple things, do you recommend having separate domains for each of those, or keeping it all in one place.