Are oxygen bars profitable?

Related questions

1. Is breathing pure oxygen safe?
2. What is the normal oxygen level for someone with COPD?
3. Would pure oxygen kill you?
4. Why do astronauts breathe pure oxygen?
5. What are the benefits of oxygen therapy?
6. Can you live off pure oxygen?
7. How long does boost oxygen last?
8. Do oxygen bars help hangovers?
9. How does oxygen bar work?
10. Do oxygen bars cure hangovers?

Tags

1. #profitable
2. #alone
3. #highly
4. #labor
5. #gross
6. #costs
7. #surprisingly
8. #affordable
9. #starting
10. #would
11. #equal
12. #which
13. #profit
14. #there
15. #royalties
16. #current
17. #business
18. #oxygen
19. #absent
20. #include
21. #stand
22. #example
23. #leaving
24. #aroma