Most people have one because they're fairly easy to grow indoors. Top size may be up to 5 feet indoors, but rarely seen that large. China Doll requires a moist soil with good drainage. Provide bright light, but avoid any strong sun indoors. Outdoors, plant in the shade.
Water can be an issue as well.
Learn your plant and water moderately, but don't let your China Doll dry out. Apparently China Doll tastes good. Expect pests like spider mites and aphids to make an appearance. That's easy to handle if you catch the bugs early. You may be interested in receiving great tropical plants mail order from Master Gardener.