It doesn’t take any more space than simply owning the gun and safety gear to go shoot for fun.
If you’re going to own a gun you really ought to go out and use it sometimes so you are somewhat competent in handling the firearm.
space, time and money.
Also, I’m not shooting a firearm off in my sub-1-acre suburban neighborhood property.
That’s not what I’m suggesting. The vast majority of gun owners don’t shoot their guns on their property. I live in a condo.
There are indoor and outdoor ranges all over the United States. If you live in a suburb it’s a safe bet that there is a gun range open to the public within a 20 minute drive of your house. Range access is easy and affordable everywhere in the USA. It doesn’t take an immense money or time commitment to go out and shoot every now and then.
If you buy a firearm, but refuse to learn how to use it, it really will be a waste of money because it won’t be useful to you if the time ever did come to need it. Plus you have an obligation to those around you to own a firearm responsibly. Part of responsible firearm ownership is basic competence with the weapon.