Custom Real Estate, Private Credit and Fund Model Services: Fixed-Price Tailoring and Builds in Excel (48h to 7 Days)

Fixed-price Excel modeling service from Eastwich Advisors, the vendor behind the Debt Fund, CMBS/ABS Securitization and Preferred Equity Fund models. Five scoped options: $100 quick fix, $175 tailoring (up to 3 changes, 48h), $350 extended tailoring (up to 8 changes), $600 custom module (debt sizing, waterfall, loan cohort engine), $850 full custom build. Written scope, change log and formula-integrity check on every delivery. Asynchronous and written; no calls.

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Fixed-price Excel work from Eastwich Advisors, the vendor behind the Debt Fund, CMBS/ABS Securitization and Preferred Equity Fund models on eFinancialModels. Pick the option that fits, check out, then send your file and a numbered change list through Requests. The clock starts when the intake is complete.

Options

  • Quick Fix – $100 (48 hours): one targeted change or formula repair in an Eastwich model you own.
  • Template Tailoring – $175 (48 hours): up to 3 defined changes, e.g. a new loan bucket, fee line, exit case, hurdle or reporting tab.
  • Extended Tailoring – $350 (5 business days): up to 8 changes, or a structural extension such as open-ended fund mechanics, an extra tranche, a refinance event or another waterfall tier.
  • Custom Module – $600 (5 business days): one new self-contained module linked into your model: debt sizing at MIN(LTV, DSCR, debt yield), an equity or fund waterfall, a loan-level cohort engine, or a three-statement roll-up. Larger builds are delivered as consecutive modules.
  • Custom Build – $850 (5-7 business days): a new monthly or annual model to your written spec: sources and uses, operating cash flow, debt schedule, return metrics and a sensitivity table.

Every delivery includes

  • The updated or new .xlsx with inputs separated from calculations and no hardcoded outputs
  • A written change log: what changed, where, and how to drive it
  • A formula-integrity pass: zero #REF/#VALUE/#DIV/0 errors and balance checks that tie
  • One revision round within the agreed scope

How it works

The download included with every option is a two-page intake sheet listing exactly what to send. If your list runs past the option you bought, you get a written quote for the difference before any extra work starts. Work is asynchronous and written; there are no calls. Builds are produced with AI-assisted tooling and checked before delivery.

This is a spreadsheet modeling service. Model outputs are calculations on the inputs you provide, not investment, legal, tax or accounting advice.

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