What was Alexander Graham Bells challenges?

Alexander Graham Bell faced several challenges during his work on the telephone, including skepticism from the scientific community and competition from established inventors like Elisha Gray. He struggled with funding and resources to support his research, often relying on personal finances and support from family. Additionally, Bell faced the task of refining his inventions to make them practical for widespread use, encountering technical difficulties along the way. Despite these obstacles, his perseverance ultimately led to the successful patenting of the telephone in 1876.