There’s a reason that agility has become a popular buzzword. The power to both think and act quickly is a defining factor in any startup’s success. Those that get hung up on outdated processes risk failing due to their own sluggishness.

Some startups try to anticipate how their staffing needs will shift as they grow, which Ben Horowitz calls “the scale anticipation fallacy.” You can’t know in advance whether one team member will be capable of scaling with the company. And if you judge someone as incapable of scaling at the outset, you won’t give him or her support to grow with the business, according to Horowitz.

Instead, you need to stay agile — and beware the boogeymen of bloat and bureaucracy. Use the following tips to stay sharp as you grow: