These 4 homeowners built tiny homes in their yards to be better caregivers for their loved ones

Lena Koropey and her mother. Courtesy of Lena Koropey Seeking more space, some homeowners are building accessory dwelling units in their yards. Some use them for rental income, while others use them to keep loved ones who need care close by. Business Insider spoke to 4 families who built ADUs for their loved ones about the experience. Lena Koropey's mother was diagnosed with Alzheimer's disease nearly a decade ago. Since then, she's watched her once-independent mother come to rely on others…