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1. Space: Upright pianos take up more floor space than digital keyboards and some digital pianos. They are also heavier and more difficult to move than digital keyboards.

2. Cost: Upright pianos are generally more expensive than digital keyboards and some digital pianos. High-quality upright pianos can also be more expensive than entry-level grand pianos.

3. Maintenance: Upright pianos require regular maintenance to keep them in good playing condition. This includes regulating the action, adjusting the pedals, balancing the keys, and voicing the hammer felt. Pianos also need to be tuned regularly, at least twice a year, and more often in areas with extreme climate conditions.

4. Noise: Upright pianos are louder than digital keyboards and some digital pianos. They can also be heard through walls and floors, which may be a problem in apartments