There are definitely not many aircraft available on the market that can be purchased much cheaper than a mid-range aircraft. There are also various forms of leasing that allow for flexible management of available capital.
No, in the world in recent years there has been a growing trend of ,,Executive" travel, very often this type of aircraft is used by company specialists who have an urgent order in another part of the world. They are also flown by middle class people using, for example, ,,Empty Legs" or buying in full, fulfilling their dream of this type of travel, because in some cases the cost can be comparable to Business class.
As we know, sometimes it is more profitable for us to rent equipment than to buy it. We can do the same with airplanes.