Can an individual run a business selling, buying and selling stamps

Of course you can.

After going through the relevant procedures, philatelic stamps are possible, many individuals opened a "stamp club" is this.

Communication use of stamps, you can go to the local post office (office), apply for the sale of formalities, after passing the audit, the post office will sell you some stamps at face value, sold, with the documents to the postal sector, you can settle a certain amount of honorarium.