Breast feed - I hope your wife didn't wipe off the initial whitish substance on her breasts, that's the real good stuff your daughter needs to take. Colostrum. Also tell her don't be worried about low supply, babys milk needs at this age is probably a tea spoon worth. Keep feeding the baby and latching on. It'll tell her brain to produce more and sooner or later she'll have plenty.
Get a dual side pump, there's this place in Klang called "EnjoyBreastfeeding", go there and look it up because they let your wife try a variety of pumps, then just buy the one your wife is more comfortable with. Not all pumps are the same and don't just buy because of brand.
Get a latex mattress and a baby cot that can convert into a bed. It's expensive but it'll save you money long term.
I assume your wife has a confinement lady? Learn the tricks and tips from her la.
Did you wife go for natural or caesar? If natural, leave the stiches alone and it'll heal. Use your left hand for a while laaaa.. don't so horny everyday