Help please?

Hi,ummm…I’m kinda new to blender, so hopefully if you can help me.
I am modelling a vase with this tutorial:

I do not understand Step 9 when you have to 11).600 extrude inwards.
Everytime I extrude it goes upwards not inwards.
So how can I make it inwards?

you should scale the edges inwards, so if you start the extrude, press Esc and scale it inwards,you should get the same result as the tutorial.

Like axleh92 said, scale inwards. You don’t have to press escape though, just hit (E)xtrude, then (S)cale, and resize as wanted.

sounds like a job for Alt S ( scale along face normal )