Complete practical guide

The calendar book about the year that had to be built twice

37 chapters and 68 printable worksheets on selling calendar templates - why the whole catalogue dies on the first of January, why publishing in November costs you a fifth of the year, and why nine sources beat two hundred and fourteen files.

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What this guide is

Jem built two hundred and fourteen calendar listings between August and November. Wall calendars, planners, weekly spreads, an academic set, a family organiser - four sizes, two week starts, three colourways, every file laid out by hand. About a hundred and sixty hours. It sold: October beat September, November beat October, December was the best month of all. In January sales halved. In February they went quiet. And in March, Jem sat down to plan the next season and realised that every single one of the two hundred and fourteen files was now worthless and would have to be made again from nothing - because the dates had been drawn into the layouts rather than generated from a source. The carry-forward rate was about four per cent: three undated planning sheets and a habit tracker. Jem did it again the following year. A hundred and fifty hours, the same designs, different dates, by hand, for the second time. The third year was different, and the difference was not design skill or marketing. It was nine sources - master files where the dates are produced from an input rather than drawn - which generated two hundred and forty listings. The following August's rebuild took twenty-two hours. That is this business: your entire catalogue expires on a known day, in public; you sell in fourteen weeks and nowhere else; and whether next August is three weeks or four months was decided a year before you found out.

What you get out of it

Specifics, not promises.

  • The difference between a finished file and a source, and why only one survives January
  • The carry-forward rate - computable in February, and it tells you what next August costs
  • The sixty-probe date check that covers a whole year's catalogue in an hour
  • Why February must be checked specifically, and why last year passing is not evidence
  • The measurement mark that halved print complaints without changing a single file
  • Why scaling, not cropping, is the print failure that gets blamed on your design
  • The season arithmetic: what publishing in October, November or December actually costs
  • Why thirty-four wrong files from one error beats eleven files with eleven errors
  • How to reach last year's buyers in September, when your listing no longer exists
  • 148 AI prompts - and not one of them states a date, deliberately

Ideal for

People making or selling calendar templates - wall calendars, monthly and weekly planners, academic and financial year layouts, family organisers, desk pads and undated planning sheets - through a marketplace or their own storefront. Particularly three groups: somebody who has never worked out what next August will cost them; somebody who has never printed their own file on a machine that is not theirs; and anybody who published in November and concluded the market was weak.

  • Anybody making or selling wall calendars, planners, family organisers or academic-year layouts
  • Somebody who has never worked out what next August will cost them
  • Somebody who has never printed their own file on a machine that is not theirs
  • Anybody who published in November and concluded the market was weak

What's inside

Format

  • Digital download, delivered instantly after payment
  • Formatted for letter paper — read on screen or print it
  • Yours permanently, re-downloadable from your library any time
  • Licensed for use in your own business

By the end you can

A reader finishes with a customer defined as a surface - a physical place, a reading distance and a number of writers - rather than a product type; a date source that takes a year, a week-start convention and a start month as inputs and handles month lengths by rule rather than a typed list, tested by regenerating three consecutive years including a leap year; a shared skeleton carrying the safe area, the review block, the grid proportions and a labelled measurement mark that appears automatically in every generated variant; sources and variants counted separately, against a source ceiling derived from available trough hours; every output generated from a recorded parameter set so any published file can be reproduced and every affected file identified when a source fault is found; a full probe set - every month's first and last day, February specifically, both year boundaries and one independently known date, in both week-start conventions, against an independent authoritative reference - run before generating the catalogue rather than after; a print test on at least two machines at unchanged settings, with the mark measured by ruler, greyscale and draft checked, a six-row month printed, and a pen used in a box; a one-page print guide inside every download carrying the settings, the mark and the remedy; a rebuild calendar running February to July with August as buffer and a committed publication date in early September; a carry-forward rate computed in February and a listing re-issue strategy decided before the first January so reviews compound; classroom and commercial licence tiers for printing that is already happening; a deliberate undated range that never expires and sells in the trough; and stop conditions written as numbers, including never publishing an unprobed year and stop building, keep regenerating.

A complete working system for making and selling calendar templates - built on four rules covering the fact that every dated file becomes worthless on a specific publicly visible day and the whole catalogue expires together, the fact that roughly fourteen weeks carries almost all the revenue and outside that window there is no demand rather than less, the fact that variants are generated from sources so a mistake is never in one file but in every file that source produced, and the fact that the product is manufactured by the customer on a printer the seller has never seen and then displayed and written on for twelve months - with revenue per maintained source as the economic unit, the carry-forward rate as the leading indicator, and two independent tests (a sixty-probe date check and a multi-machine print test) as the verification the trade cannot be run honestly without.

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