Tactica RES® Video VaultSubscribe to Tactica RES® on Youtube. Skip to Videos All | Underwriting Case Studies | Real Estate Terminology & Metrics | Microsoft Excel Tutorials | Modeling a Deferred Development Fee Tutorial How to Build a 'Sell vs. Refi' Excel Analysis in 20 Minutes Building Sensitivity Analysis into Your Real Estate Proforma Adapting a Multifamily Excel Proforma to Mixed-Use in 15 Minutes Modeling BSPRA in Multifamily Development Adapting the Development Proforma for HUD 221(d)(4) Adding Preferred Equity in Excel Proforma Covering the IRR to XIRR in Excel Building a Multifamily Proforma in Excel Building an IRR Sources Model in Excel The Offset Formula in Excel (Part II) The Offset Formula in Excel (Part I)