How to handle 4 kids ;)

How to handle tantrums of kids?
How to you handle if you and your husband's/wife's rules for the kids are always contradicting?
Do you generally give in if your kids nag you for something repeatedly? How do you handle it?
How to teach well Hello. For those that have 2 kids or more , how u guys handle like how u all teach...
2 kids under 2 years old Hi! How do working moms handle 2 child under 2 years old without helper at...
My 4-year-old nephew has been hitting other kids on the playground. How do I get him to stop?