Why wait till October, before you can buy Bitcoin, from what I've read too, October, will be a bullish month. If you're going by what is said about October, then you need to buy now and wait for it. Although nothing is certain and nobody really knows what Bitcoin price will be in October, everything that you hear are just speculations. As some experienced members have suggested to you on this thread, it's better to equip yourself with Bitcoin knowledge first before investing so that you will not panic unnecessarily when price begins to dip when you're expecting it to skyrocket. You can decide to buy now and hodl or you can wait till after the bull run, then buy in dip when we'll enter bear run.
I prefer to buy bitcoin during the dip. That is why I can not buy bitcoin this time because I have already bought some already when the price was low. I think buying now will not hold so much profit for me if bitcoin will not surpass $100000 or may e it will surpass the six digits nobody knows yet. Just like you said, what people suggested are just speculations, but if he can hold even if bitcoin do not increase in October, the price will still later increase, either this year or next year.