I'm going to write my life hacks here as I can think of them. I'll
start with these:
- Kidmail. Set up a gmail account for your new infant child,
and give out the address to only your closest friends and family
members, then asking them to email your child stories about their time
together, what they did, what your child did and said, and often with
photos. Then when your child gets old enough to read, she can read
about her life.
- Credit cards. Anticipate that your credit card info will
get stolen. Put all your recurring payments with trusted vendors on
one card, and use your other card for restaurants etc. When the latter
card info gets stolen (it will), you won't have to change the credit
card you use with all vendors.
See also lifehack.org.