If the price goes back down again to around $4000-6000, people will be able to buy whole bitcoin, I know people can buy fraction of bitcoin, but buying whole is a better deal.
Well, if you're looking for an affordable bitcoin you are already late. Bitcoin was very affordable way back 2013, and a lot of people was hesitant and even thought that bitcoin was just a bubble or a scam. A lot of people jumped in when bitcoin started taking it's ride to the moon, since then, bitcoin price became really expensive. A lot of people who invested early already earned a lot.