How Far Can a Free Fingerprint Browser Go: Run These Five Things and You're Set, Add Windows Only When These Four Signals Appear

The value of a free tier is that it lets you fully validate five things without paying: environment isolation, per-environment proxy binding, fingerprint consistency, script takeover, and machine migration restore. The time to actually add windows is not when account numbers grow, but when you start deleting old environments to make room, need concurrent batch operations, need to hand environments to colleagues, or move scripts from serial to parallel.