Should I accept this tenant?

Hello,

I am currently in the process of finding a tenant for my home. We have had one month vacancy while searching for a new tenant, so I am looking to fill the home as soon as possible. A tenant who is interested in the property is offering $200 below my asking price, and his credit is not that great. However, his brother, who will NOT be living in the home, will be a cosigner on the lease, and his credit is good. Although they are offering a lower price than I asked for, should I wait to find a tenant and have another month of vacancy, or should I rent to this tenant who seems somewhat risky for a lower price? Any input would be of great help. Thanks!