Teleportation Circle Expert

You have intimate knowledge of how all teleportation circles function. Once per long rest, you may cast teleportation circle(you still must consume the required components). Additionally, you may make a temporary magic circle with 1 hour of work and 100 gp worth of the same materials that it costs to cast the spell. This circle lasts 1 week, and may be used in the same way as a permanent teleportation circle.