Financial Guides

Plain-English guides explaining the decisions behind each Intergtm calculator: refinance break-even, RSU withholding, and quarterly estimated tax.

• When Refinancing Actually Pays OffHow to read a refinance break-even month, which closing costs belong in the numerator, and the three cases where a lower rate still loses money.Mortgage & Home · Updated 2026-07-30
• Why RSU Withholding Leaves You With a Tax BillSupplemental wage withholding on RSUs is a flat statutory rate, not your marginal rate. Here is where the gap comes from and how to close it.Tax · Updated 2026-07-30