Budget for downtime between gigs.
Downtime between gigs is a predictable annual cost, not an emergency. Converting monthly essentials into a weekly burn rate and multiplying by the weeks you expect to be unbooked gives the amount that has to exist before the quiet period starts. Subtracting current savings and spreading the shortfall across the months you have available turns it into a monthly transfer you can automate.
Downtime reserve
Weekly burn = monthly essentials x 12 / 52; downtime cost = weekly burn x downtime weeks; monthly set-aside = (downtime cost - savings) / months to build
Look back at the last two years of your own booking calendar. Four to eight unbooked weeks a year is common for project-based freelancers even when demand is healthy.
No. Downtime is expected and seasonal; an emergency fund covers the unexpected. Keeping them separate stops planned quiet months from consuming your emergency cover.
Extend the months-to-build figure or reduce essential expenses. A smaller reserve built consistently is worth more than a larger one you never fund.