The obvious answer to the question, how much can you print with 1Kg for filament, is you can print 1Kg of the models. What most people want to know is how many models will a 1Kg spool for filament create. That is a more complex answer and depends on several factors.
If you want the detailed...
Ah, yes, well, been reading about them for ages, never seen one so have bought one.
Why?, don't know yet, will no doubt find out when I've built it. That appeals to me more than actually printing anything at the moment.
I have no interest in creating toy elephants, pink or any other colour.
If I...
Some people like to tinker and are pretty OCD about getting the bed level, I'm one of those I believe but as I am still waiting for my first 3d printer time will tell ;)
So I'm looking at videos on the Creality CR10 set up and find this quite clever way to level the bed quickly and accurately...