Sorry- no one answer- you did not say what you are hunting. You can get a decent used .22 rifle for about $100. Rifles for larger game may start at about $200, and go up from there. Depends on what you want to buy- like cars.
it depends on what your hunting
One of the main advantages of air rifle hunting is that it's easy to use, gives you cheap practice and is also good for hunting small game. One of the main disadvantages or air rifle hunting is the fluctuation of pressure in relation to ambient air temperature.
Hunting rifle scopes come in a wide variety and are easy to find online. Some websites like The Scope Smith and Optics Best Buy offer hunting rifle scopes.
either the fat man or boones hunting rifle with you cant get boones hunting rifle but you can get the fat man it fires nukes
Depends on what you are hunting, where you are hunting, your skill level and your pocket book.
Gun shows, gun shops, classified ads, estate sales, online auction sites
There is NO Best and inexpensive air rifle. A good quality air rifle is going to cost you money. A cheap air rifle will reflect it quality by how poorly it performs.
A true "assault rifle" that can be transferred legally will run you 10000 and up.
You will have to define cheap
H&R Handi-Rifle
That will depend on the individual. Some will prefer a shotgun and others a rifle.
There is no such thing. A rifle is a tool, there are many different kinds of rifles for many different kinds of applications. A varmint rifle is a bad tactical carbine. A benchrest rifle is a terrible brush hunting gun. Just as there is no best overall hammer or best overall vehicle, there is no best overall rifle. Use the right tool for the job.