Here are some of the most popular posts from Richer by the Day over the past week:

Newborn or drop in income in 2008?  The Recovery Rebate Tax Credit may apply.
Getting a big rebate?  Adjust how you pay the IRS throughout the year.
Want to retire early?  Compute your savings rate for early retirement.
Regular budgeting too complex?  Try a simple envelope budget.
Missed out on part of your 2008 matching?  Learn about 401K company match limitations.