The sabbatical budget app for the unpaid months

The standard math: your monthly essential expenses times the length of the sabbatical, plus 20-30% buffer, plus re-entry costs. For a 6-month sabbatical with $3,500/month essential expenses, that's $21,000 base plus $4,000-$6,000 buffer plus $3,000-$5,000 re-entry — total $28,000-$32,000. For a 12-month sabbatical at the same monthly expense level, it's $42,000+. Most sabbatical-takers underestimate two things: how much the floor monthly spending actually is once you cut lifestyle costs (often 30-40% lower than working-life spending, but not 50%) and how long re-entry takes (job searches typically take 3-6 months for mid-career professionals, longer for industry switchers). The honest math is to track your real essentials in Cash Compass for 60-90 days before the sabbatical to know the actual floor.

12-24 months before the planned start date, depending on the size of the savings goal. A 6-month sabbatical with a $30,000 savings goal needs roughly $1,250/month saved for 24 months, $2,500/month for 12 months. Most pre-sabbaticalists save aggressively in the year before departure — cutting lifestyle costs, working overtime, banking bonuses and tax refunds. The first 12 months of preparation are also when other prep happens: notifying employer (or planning the resignation timing), researching healthcare (COBRA, ACA marketplace, international plans if traveling), confirming retirement contributions for the year, and lining up any sabbatical-period work that might offset costs (consulting, freelance, gig work). Cash Compass's chart projection shows whether you're on pace, which lets you adjust the start date if needed rather than starting under-funded.

Sabbatical budgets usually have five major lines. Housing — often the largest line. Some sabbaticalists rent out their primary residence (Airbnb, sublet) to offset cost; others move temporarily to a lower-cost location. Healthcare — figure $400-$1,800/month for COBRA or ACA marketplace, more for family coverage. Food — usually lower than working-life because more cooking, less convenience. Travel and experiences — the why-you're-doing-it line, but often the most variable. Personal and household — the smaller categories that don't change much but need to keep flowing. Beyond these, track retirement contributions if continuing (a personal IRA contribution requires earned income; a 401(k) requires employment), and track any sabbatical-period earnings if applicable. Cash Compass's chart view makes monthly burn rate visible, which is the metric that determines whether the sabbatical lasts as long as planned.

Three options, in order of impact. First, cut harder — most sabbatical budgets have at least 10-20% of further cuttable spending once you really commit. Second, generate temporary income — consulting, freelance, part-time work, or selling unused assets. A part-time income of $1,000-$2,000/month can stretch a 6-month sabbatical into 9-12 months. Third, return to work earlier than planned. This isn't failure — it's the contingency built into any honest sabbatical plan. The Cash Compass move: set a 'reassessment trigger' at the 60% remaining mark. If you're at month 4 of a 6-month sabbatical and have less than 40% of the original cushion, you're burning faster than planned and it's time to either cut, earn, or shorten. Catching it at month 4 leaves options; catching it at month 6 leaves none.