If by chance you have no scheduled gigs anytime soon then you may want to set up a freebie gig somewhere. This is the only time that you should ever play for free, unless you do something that benefits a charity. Although playing for the door can sometimes be to your benefit, be very cautious about accepting door gigs. Playing for the door does not guarantee any money, except a percentage of what's made at the door, which is usually minus what the club decides it needs to pull off the top, usually including taxes, publicity and promotional costs, production costs, and any other surcharge that they may decide is feasible. Other problems that may arise can be getting shorted by the club or not drawing enough people to make it all worth your while.
Some clubs have an audition night.
If you take advantage of situations such as these, make sure you invite as many friends and family the night of the audition to insure your acceptance. The same method goes for any public establishment that you are allowed to invite your friends and family. One big piece of advice concerning guest lists tho. Make sure your guest list does not exceed the money you make, you do not want to get caught forking out something such as mandatory production costs, or exuberant bar tabs from your own pocket, or worse, not have enough money to stand up to your end of the agreement. You should keep your guest lists tapered to about 1 or 2 guests per member.