What do you have to do each month exactly?
keep 100% of your portfolio in one of 3 funds: VXUS, VOO, BND
use chrome, not firefox which is broken http://stockcharts.com/freecharts/perf.php?VOO,BIL,VXUS&n=25...
VOO Highest? buy or continue to hold VOO
VXUS Highest? buy or continue to hold VXUS
BIL highest? buy or continue to hold BND