Lawn restoration

[reigns]

Trying to restore a garden to just being lawn. We bought our home off of a retired couple who loved gardening as a hobby but I have two little ones, so I neither have time nor interest in trying to keep the garden looking lovely. We've gone and put up all of the plants on Facebook and a bunch of eager gardeners have helped us clear out most of the plants (we still have a few ferns and agaves that are either going to get left out on the street for free pickup, or will eventually just be put in a skip bin) but now I've got two jobs ahead of me:

1. Clearing the decorative black bark from old gardens and stones from the makeshift paths and restoring those areas to lawn; and
   
2. Dealing with the existing lawn which has pot holes on one side where the previous owners used to park a car on it, and then it has ugly weeds right across it
   

For job #1: is it as easy as following this guide on the Mitre10 website? I just dig up all the shit, put some extra soil and toss seeds out like is a lolly scramble, then wet it all?

For job #2: I bought some Yates Weed & Feed - reckon that will work? I'd rather not go around pulling them all out by hand because that sucks and there's a lot of them

Half tempted to just concrete it all but I like grass. I just hate shit grass. And gardening.