with chickens if one seems to be problems, we'll crack some of the egg away but dont actually remove it by hand from its shell
... but these are NOT chickens
It's not quite that simple. Peas can be so strong that prematurely cracking the shell can allow the pea to break out sooner than it's ready to do, and then bleed to death. So sometimes, yes, cracking maybe... but timing is really important. And sometimes I've had to actually peel the shell off at the end, when the pea got too weak from struggling for too long, and was totally stuck.
That's why it's so important to read up on it before hand... it's not totally simple, and there's quite a bit to understand if one is going to get proficient at helping... It's not super hard, it's just there's some details and nuances that you will want to be thinking about.
It'll be great if all five just do the whole hatching thing by themselves... that doesn't happen so often where I live, just due to the lack of humidity and the altitude, but if you live in a "friendlier" climate, it may go easier for you.
We're all wishing you the best -- keep us posted, and give a shout if you have questions