3rd surprise pregnancy help!

Sarah
I've never posted on here but there's nothing like a supportive group of women to be in touch with! I've got two sons (5 and almost 2 yrs old) and we've been surprised with a third pregnancy! I'm really worried about how I'm going to be able to handle 3 kids as I'm just managing with my two boys now, my family live interstate as well so my only support is my husband's side. Any words of advice/encouragement from mummies of 3 kids. I'm a stay at home mum so it's me and my kids alllllll day while hubbie works long hours.