What are the advantages and disadvantages of a sublease?

In a sublease agreement, the sublessee, pays rent to the sublessor, who in turn pays rent to the landlord. Some advantages include: Cheaper and easier to obtain, the ability to start small, turnkey ready, access to common areas, free amenities, no CAM or unpredictable fees, etc. Some disadvantages would be: Not your own private space, default by sublessor, delays in maintenance, limited design options, unfavorable lease terms, etc.