1. Make a list of duties. blog.bicycletheory.com In addition to the obvious ones, there's delivering the fee to the wedding officiant, signing the marriage license and much more. Check out this Real Simple checklist for a comprehensive list. 2. Make sure your suit actually fits. blog.next.co.uk / Via infographichub.com The groom may choose the suit style and tie color, but not looking like a baggy mess is on you. 3. Get the shoes right. pinterest.com 4. Clip-ons need not apply. jaredpurrington.com / Via pinterest.com 5. Wear the best boutineer ever. reddit.com For you truly are The Hand. Get it here. 6. If you're booking hotel rooms for the bachelor party, haggle. hotelmanagementtutorial.com Saving all the groomsmen cash with a group rate or wrangling some upgrades is a good look. Here are some booking tips. 7. Or, just use Airbnb or HomeAway. Via airbnb.com It'll usually be cheaper and it's a nice antidote to the cliche "suite at the Palms" style bro blowout. 8. On the wedding day, come prepared. etsy.com Everyone else will either be too nervous or too wasted to think about maybe needing sewing supplies or Advil. Instant stain remover also essential. 9. Don't trust the ring bearer. bridesofadelaide.com.au Cute? Sure. To be trusted with 2398723 carats? Nope. Give 'em a knockoff and keep the real rock in your pocket. 10. Do not prance, cartwheel or moonwalk down the aisle. Via florosdimitris.com This day isn't about you, buddy. 11. Keep your toast to a few short remarks and drop the mic. Flickr: leodirac There's nothing worse than a long rambling speech. Also important: don't try to be funny if you're not. IT WILL NOT END WELL. 12. Don't read from prepared remarks. rock.rapgenius.com It's better to just speak from your heart if you get lost. People respond to realness, even if you flounder a bit. 13. For more speech advice, try Reddit. Via reddit.com Yes, really. There are a lot of surprisingly helpful tips in this thread. And only one finger bang reference. 14. Once the real party starts, have taxi service information ready. Flickr: joshbousel For... overly enthusiastic guests. 15. Don't forget to dance with moms. marybethtyson.com / Via pinterest.com You should be the party glue. 16. If you're going to decorate the wedding car, keep it simple. josevillablog.com 17. Above all, stick to your groom. pinterest.com Whenever you catch yourself having a great time, stop and make sure your best friend is having an even better time.