As the company grows and about this 25 or so employee size, your main job shifts from building a great product to building a great company.

In YC experience, 2 or 3 co-founders seems to be about perfect.

One thing I tell startups all the time is that the best way to grow is to make their product better.

At YC we have this public phrase, and it's relentlessly resourceful.

You want to think about what is the path for my first 10 or 15 employees going to be as the company grows.

No growth hack, brilliant marketing idea, or sales team can save you long term if you don't have a sufficiently good product.

Study the unusually successful people you know, and you will find them imbued with enthusiasm for their work which is contagious. Not only are they themselves excited about what they are doing, but they also get you excited