If it's a friendly game, it's probably time to go home. Technically the rules of Golf would allow you to run to the Pro Shop and buy some more. You might get time penalties for this Or you could borrow one from a playing companion.
There is no specific amount because better players will lose less balls and players on harder courses would lose more. The generally accepted number for a years supply of golf balls is 12 dozen or 144 golf balls.
Golf balls do indeed age. They begin to lose their effectiveness after two or three years if stored in a cool, dry place. The shelf life is considered about five years.
Then you go out and buy more.
4,313,000,000 not counting the unsold balls in the stores. Statistics indicate as many balls are lost as are sold in any given week plus or minus one million. I also like pudding!
What clubs are suggested to carry in a golf bag
Since golf balls and cement are both very dense, it is harder for the ball to lose it's energy after bouncing since there is nothing to absorb the energy.
I believe I have seen the TI tech balls in Walmart, or Kmart (I always look for cheap balls because I lose alot of them) LOL
The covers will become scratched after a few holes due to the sharp grooves on wedges, but it would take a high number of rounds before they lose their shape. The first Pro V 1's and the old Titleist Tour Balatas used to lose their shape.
This depends on several factors from skill level, playing conditions, adherence to rules, frequency of play etc... Some "golfers" go out to the beach with a bucket of balls and "lose" them all, while other highly skilled "golfers" restricting their golf to golf courses "lose" very few balls; say, in regulation perhaps a ball every few rounds, and most often merely retire their balls when they wear out sufficiently to effect playability. Speaking from experience, and thinking only of time spent on golf courses, most skilled players (say less than 6 handicap) probably lose 0-1 balls/round, good to average players(6-18+ handicap) 0-3 or 4 balls/round. Of note it depends on how this statistic is scored. There is the semantic difference between hitting a ball O.B. being considered a "lost ball" vs. not being able to find the ball that was just hit (perhaps even including special cases like plugging in the fairway and getting lost).
A professional golfer, maybe two per game at most. For the amateur, perhaps up to a half dozen if one is prone to hitting into out of bounds and/or water hazards where retrieving the ball is impossible. or A professional golfer will use around 4-6 per round, this is because the covers of the balls are so soft and the grooves are so sharp that the cover gets cut very easy which is not desirable. But they will not necessarily lose many. An amateur could use anything from 1 to about 10, there is no set number, but there is a higher chance they will lose balls, as above.
Buying used golf balls makes sense on a number of different levels. From a price perspective they are much cheaper than buying them in brand new condition. If you are concerned about the planet it is a good way to complete the recycling circle. Finally, you can find unusual specimens branded with company logos and other unique designs. Golfers lose golf balls just about every time they play a round of golf. Some only lose one or two while others can easily lose a half dozen or even more. The balls disappear deep into the woods or they plunge into the lake. Some land in the yards of homeowners and others seem to just vanish into thin air. On a busy golf course, several hundred golf balls can be lost every day. At an average price of about $2, that is $400 just going to waste. Where there is opportunity, there will be people with the entrepreneurial spirit to create a business. Individuals and well established companies pay for the right to dive into the lakes around the golf course and retrieve those errant shots that sink to a watery grave. If you have every witnessed the spectacle of a strange looking creature who is dressed in a dark rubber suit and emerges from a lake, do not be alarmed. It is not the Creature from the Black Lagoon. It is a trained diver in a wet suit who has just hauled up a bagful of Titleists, Prostaffs and a bunch of other golf balls. Once the lost golf balls have been retrieved, they wind up going to a shop or other location where they are sorted first by quality and then by brand. The very best balls are put to the side. They will sell for the most money. All of the golf balls are washed and cleaned up as best as is possible. They may get several baths and even be hand-rubbed and polished. Similar balls may be grouped by the dozen or the balls may be graded and sorted accordingly, regardless of brand. Customers can purchase these balls at anywhere from 40%-80% off of full retail price. Individual balls can sell for as little as a quarter or as much as a couple of bucks.
Ernie Els said there is only one birdie in a golf ball. On the pro tours a ball would only last around 6 holes, because the cover is so soft (Titlesit Pro V 1, Callaway HX, Taylormade TP) and the grooves are so sharp. An amateur could basically use a golf ball until they lose it. A golf ball if hit continously, depending on what type it is could last around 20 rounds before it would become dead.