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.
How much do lifeguards make? The average hourly pay for all lifeguards is around $9.25 per hour, but will vary by experience and location. Experienced beach lifeguards can earn $16 per hour or more. A high school diploma or GED is typically not required for most lifeguard jobs.