How much do you think would be a reasonable market price for a teleportation device - one that could be carried anywhere?
Say this device can only teleport one person - the owner - and never anyone else. A family of four people needs four teleporters, not one. The device cannot be used to commit crime (i.e., bank robberies) or enter classified/military areas.
Financial benefits: The owner would never need a car again. Never need to buy an airplane ticket. Never need to buy gasoline, car insurance, etc. Could travel to all 194(?) countries in the world. Could teleport himself to the Taj Mahal, the top of Mount Everest, etc. Could get a job in a high-paying city (i.e., NYC) while living in, say, cheap rural Montana, thus saving money (teleport to job commute!) He would save hours each week by not driving, adding up to weeks of extra free time per year.
$500,000 per teleporter? $1 million?