Renting a rehearsal studio must be a collective decision of your band and most importantly choosing a rehearsal space must only be done after you have carefully considered the price. Have a band get-together and discuss how much you are willing to pay for renting a rehearsal room. Once you find out exactly what your budget is your search will be a whole lot easier. Start looking for rehearsal studios to rent and inquire about prices. Make sure that you add up all the costs. In some studios you will need to pay extra for renting equipment or for the parking space. Other studios might not come fully equipped and you would need to invest in amplifiers or a PA system. If you find something you like, do some basic math and figure out whether or not you can afford to pay for it. If not, save it for later and move on to another studio for now.