Always have an extra layer of clothes with you. Corn starch is good for rashes. If baby is stuffed-up, bring it into the bathroom when you shower. Toilet training is easy if you wait until your kid is ready. PJ's are a waste of time.
Infants are surprisingly portable.
Don't be afraid to travel. Try to enjoy each age of your child's life. Childproofing Child proof before your kid learns to crawl. Keep nothing under the sink but pots and pans. Crawl around the house on all fours to see where the hazards are.