How much should I spend on a good punching bag?

Punching bags are often filled with grains, rags, sand. There are punching bags with an internal bladder to allow them to be filled with air or water.

The best advice I can give you is to take your time. It is very important to take some time to first develop proper body mechanics of punching before hitting away. Remember to stay focused on your balance, keep your wrists straight, protect your hands, and never push the punching bag.

Yes. There is a great article on "how to build your own punching bag for cheap" that I am going to send you, good luck!

http://www.howtodothings.com/sports-recreation/how-to-build-your-own-punching-bag-for-cheap

A basement would be an ideal place for mounting a punching bag. All you need to install you punching bag are some brackets, some which come with proper installation instructions. I am sending you a link to a site that sells the right brackets for your desired weight of punching bag along with mounting instructions.

http://my.shop.ssgecom.com/site/esports/product/1185904

I would also recommend reading this article with tips on where and how to mount a heavy punching bag.

http://www.howtodothings.com/sports-recreation/how-to-install-a-heavy-punching-bag

I have found you a few sites to browse through. Everlast has some really good bags worth checking out.

http://www.ebay.com/sch/i.html?_nkw=free+standing+punching+bag

http://www.amazon.com/b?ie=UTF8&node=3400271

Top rated freestanding bag based on user reviews -

http://www.amazon.com/gp/product/B000EZYT4O?ie=UTF8&tag=wwwgalttechco-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B000EZYT4O

There are a few different types of punching bags, aside from the ones you mentioned. You can also find banana bags, teardrop bags, body bags, angle bags and double-end bags.

Punching bags are traditionally filled with sand, water or grains; however you can use around the house items if you prefer. Some materials that can be a good substitute are rolled up garbage bags (packed tightly), ripped clothes/sheets/rags, cotton, rice, or a combination of these items. What you fill your bag with depends on how heavy and hard you want your punching bag to be.

Before you go "punching away" make sure to wear the right protective gear (gloves, wrist wraps) to insure you do not get injured. To begin using a punching bag, aim for the middle of the bag (generally a softer area) and hit for three minutes. Then rest for a few minutes. Repeat this on and off procedure until you feel that a good amount of stress has left your body. At this point it would be a good idea to take a few deep breathes and drink some water.

Punching bag are often filled with rags, sand, and grains,there are also other bags who has an internal bladder that can allow them to befilled with air or water. Punching bags also designed to absorb the impact ofthe blow to avoid harming the puncher, good luck!