Going to breastfeed,give me the best tips,products to build supply,etc.

Veronica • George Alek Jr 4/08/17💙 Layla Jae 8/16/2018💜 Currently pregnant due in November

My first wouldn't latch,second I didn't try. And this is my 3rd baby and last and I really want to try. So help me out please. I want to be able to breastfeed and pump too.