I think my midwives poked a hole in a pad and put ice cubes in there - might be a quick fix worth knowing. I remember overlapping two pads too.
Mine too. They actually had sticks, like icypoles, which they slid inside my pads. It was awesome! It really helped heaps with hemorrhoids too. When I got home, I filled up condoms with water and froze them which had the same sort of effect (just don't fill them up too much!).

Ice packs on your boobs when your milk comes in really, REALLY helps! I should have yelled out for help sooner!

A baggy top or jumper is handy when your milk comes in. My BF singlets and my maternity bras didn't fit nor did my zip up hoddie! I spent the day sitting around with my melon sized boobs out!

Utilise the nursery at the hospital if the hospital allows it - and don't feel guilty, you're not a bad mum if you do so! I was shattered and extremely emotional on day 3 (baby blues and my milk came in) and it was amazing how much 4 hours of solid sleep helped

Don't worry if you feel 'lost' as a new mum, it's completely normal and you will 'find' yourself again