bottleneck-slow down or impede by creating an obstruction; His laziness has bottlenecked our efforts to reform the system. blockade, obstruct, stymie, stymy, embarrass, hinder, block-hinder or prevent the progress or accomplishment of; His brother blocked him at every turn.
Becoming a Lifeguard. Becoming a lifeguard does require an initial investment of time and money. Certification courses cost anywhere from $150 to $500, and take upwards of 30 hours to complete.
(United States). The average wage for a Lifeguard is $8.90 per hour. Most people with this job move on to other positions after 10 years in this career. Pay for this job does not change much by experience, with the most experienced earning only a bit more than the least.