Fi Number: 10 Evidence-Based Coaching Practices

Describe almost anything you are working through and IX Coach finds the practices whose real-world fit is closest. For Fi Number, these are the strongest matches in the current practice library.

About 2 minutes

Try it here: total what you really spend

Add up what you spent over the last year, using your bank and card data. Multiplying your real spending by 25 gives a planning number you can work with.

What did you really spend in the last year, in total?

Or do it with Io instead.

Practices that may help

  1. The Financial Independence Number, Made Practical
    Your financial independence (FI) number is the portfolio size at which investment returns can cover your living expenses indefinitely, typically estimated as 25 times your annual spending (based on a 4% withdrawal rate). It is a planning heuristic rooted in historical return data, not a guarantee — the real work is defining what your life actually costs and deciding what "enough" means for you, which is as much a values question as a math question.
  2. Understand and apply the 4% rule to set your FI number
    Your FI number is 25 times your annual spending — the level at which historical markets support indefinite withdrawal.
    Financial Independence, Made Practical
  3. Calculate your real current spending — not your estimate
    Pull three months of actual bank and card data before calculating your FI number — estimates are reliably too low.
    The Financial Independence Number, Made Practical
  4. Define multiple FI levels, not just one number
    Lean FI, regular FI, and fat FI give you decision points along the way rather than one all-or-nothing cliff.
    The Financial Independence Number, Made Practical
  5. Define "enough" before you hit the FI number
    Decide in advance what the number means for your life — what changes on day one of financial independence?
    The Financial Independence Number, Made Practical
  6. IFS Parts Mapping, Made Practical
    Parts mapping is an Internal Family Systems (Richard Schwartz) practice of systematically identifying and visually or narratively charting the distinct inner parts — critics, worriers, peacekeepers, wounded exiles — and their relationships to each other. It is a diagnostic and orientation tool: it shows you the terrain of your inner system before you try to work with any single part. Evidence sits within the broader IFS and parts-work literature, which is growing but not yet on par with CBT or DBT.
  7. The Phone Foyer Method
    The phone foyer method is a habit design practice: leave your phone at a charging station near the entrance of your home instead of carrying it room to room. By removing the phone from your default physical environment, you reduce the reflexive checking that happens when a device is always within arm’s reach. Evidence is primarily mechanistic — rooted in friction-based behavior change and research on the cognitive cost of phone proximity.
  8. Use precise, non-round numbers in final offers
    A specific non-round number signals calculation and research, not an arbitrary position.
    The Ackerman Method, Made Practical
  9. Use Coast FI as a motivating intermediate milestone
    Coast FI is the point where your current portfolio, left alone, will compound to full FI by a traditional retirement age.
    The Financial Independence Number, Made Practical
  10. Encode numbers with the Major System
    Convert digits to consonant sounds, then flesh out into memorable words or images.
    Peg System Mnemonics, Made Practical

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