A real concern for the 2020 election for sure.

https://www.heritage.org/election-integrity/commentary/vote-harvesting-recipe-coercion-and-election-fraud?utm_source=THF_Email&utm_medium=email&utm_campaign=TheAgenda&mkt_tok=eyJpIjoiTlRZME5UTTVNakkxT1dZeCIsInQiOiJkXC9LU0pTNlg3UkErZGduUWsxWlh0TFFIcEp5ZlhCa2s3clJSMVc1Z0g4OURiSm90RVwvejJDUzM0cllpUlJJOXBRSjFZS1VDRFhBQVFuRjd1eEZaaG5qYnJGUzlNY04xd3FjQmJZRFc4Z25rKytHT2tLaGx5dlwvOTBaNmdrVDB2ViJ9

Great article from Heritage Foundation. Twenty seven states and D.C. allow this practice.