Just a quick reminder: until the end of April the cost of Aringo work is a bit lower (by $30 per hour) due to the low-season.
If you know that you're going to do certain Aringo work later, and you can do it now, consider doing it until the end of April, it may reduce costs a little.
In addition, there are top-20 programs (including Columbia and INSEAD) that have submission deadlines in February-May (regular deadlines, not last round). You may review and consider them here:
Put Me in Business (applying in less than a year)