im really sorry i sounded so stupid im to exited about learning more i let myself go
You are brand new to the game of pool. You aren't supposed to know the answers to the questions you asked yet. You aren't supposed to be familiar with this forum and its peculiarities yet. You didn't do anything wrong. The way you learn is by asking questions just the same as most of us did while learning. It seems that some of us have forgotten that every single one of us was brand new to the game and knew absolutely nothing at one point. The only people out of line here IMO are the ones giving you a hard time for asking what are very legitimate questions from someone who is brand new to the game. Don't get discouraged, there are plenty who are willing to help and will offer advice. Welcome to the game of pool, and welcome to AzBilliards. You can learn a lot here.
To answer your question, yes, there is benefit to owning your own cue. All cues play a little different. The hit feels different, the shaft diameters and taper are different, the weight and balance are different, the tips are different, and many other things. Part of the benefit of owning your own cue is that you will always have the same weight, taper, balance, diameter, hit/feel, same shaft flexibility, and you can make sure you always keep a good tip on it, etc. Another benefit is that once you start to learn your preferences for all of these things, which will take some time (and may also change several times as your skill and experience increases), you can get a cue that fits your preferences for hit, taper, shaft flexibility, balance, weight, etc, etc. When you have a cue that is the same every time you play, and especially if you really like it and it suits your preferences, it can add consistency to your game and it also adds confidence because you are familiar with it like an old friend.
As far as what specific cue to get, for your first one just barely starting out I would keep it cheap, under $150 for sure, and you can even get some relatively decent ones for under $70. There is no need to spend more yet as you haven't yet developed the skill and experience and preferences to be able to appreciate any benefit from anything more expensive. I don't really know what all is out there in the entry level cue market but as others have pointed out Players and J&J are decent entry level cue brands that I am familiar with. There are others that are decent for entry level as well that I am forgetting about or am just not familiar with. Do NOT consider anything with a screw on or a slip on tip. That will be a waste of money. If you find some specific cues you are considering purchasing post some links to them and we can give you some idea if they are decent quality for the price for an entry level cue.