<p>Again, you need to take stock of your situation holistically. If you have limited ability to pay for application fees, you need to make hard decisions. How many schools can you afford? If you apply EA and then get put on the wait list, what are your next steps. Think of a strategy, I will apply MIT EA and then if I get to MIT, I will not apply to Caltech, but if I don’t I will apply to Caltech. Or may be the opposite way.</p>
<p>In other words, if you have a money constraint, think how you want to spend the money on applying.</p>