Single father to a teen here.

Skin to skin contact. It's a great way to bond with your baby. Take your shirt off and hold them. Talk and sing to them.

Make sure you have plenty of diapers and wipes but don't buy too much of one size at one time. They grow fast! Also, learn what a blowout is if you don't know already.

Be ready for messes. On you, them, everywhere!

Take lots of photos and document milestones, silly moments, 1sts etc.

Be patient. There will be rough patches through their life but it's nothing you can't get through.

Keep up on Dr's visits and write a list of questions and concerns that aren't immediate so you don't forget.

Check out https://imaginationlibrary.com/ . Dolly Parton started this and they provide educational books from birth to 5 years old, free of charge.

These are 'later in life' things but useful nonetheless!

Take interest in anything they're interested in, even if they've already shown you 100 times before.

Always be honest and direct when asked questions because there will be a lot of questions. Some awkward, some silly, some that you may not know and will have to search for.

Teach them to communicate their feelings and how to deal with those feelings.

Teach them life skills early, such as cooking, cleaning etc