The #1 piece of advice you hear from frequent travellers: Pack light. Lay out everything you think you need. Then put away half:

You see that pile of stuff sitting on your bed, waiting to be stuffed into your suitcase? Take half of that stuff and put it back in your closet. Seriously. I know you think you’ve already narrowed your pile down from what you really want to bring. I know you don’t see how you’ll ever survive for weeks/months/years on that meager selection. But you will, I promise. And you’ll thank me when you’re dragging/carrying an already heavy suitcase/backpack down a 500-year-old cobblestone road. If you don’t ditch the stuff now, you’ll ditch it on the road. Trust us: unlike most scenarios in life, having too little is far, far better than having too much.

It’s pretty good advice for how many features you “pack” into a product too. Lay out everything you think your product needs and then cut out half.

You’ll be liberated:

1) You don’t have to spend as much upfront.
2) You don’t have as much weight to carry.
3) In truth, you won’t actually need a lot of the things you fantasize you’ll need.
4) You can pick up whatever you didn’t include when you get there.
5) You have extra room for future additions.

“Proper Trip Preparation” offers similar advice:

Remember and repeat these words: PACK LIGHT. PACK LIGHT, PACK LIGHT. A good rule of thumb is to pack half of what you need, then take half of that out of the bag. Face it, do you really want to be schlepping around a three suitcases on the train or dragging them up five floors of narrow stairs in Amsterdam?

Keep your product light and it will have a lot better chance of chasing down that train about to leave the station.

Related: Getting Real: Half, Not Half-Assed