Once its value started to rise, it's now a self - feeding frenzy with investors from around the world able to buy into it with few barriers to entry. (moneysense.ca)
The quick - service restaurant segment is highly competitive, and there are few barriers to entry for competitors. (gobankingrates.com)
With relatively few barriers to entry, there has been a proliferation of new online dating sites over the years. (seekingalpha.com)