Investing $50,000 in each of Energy Transfer, Enterprise Products Partners, and Western Midstream could give you$1,000 a month in dividend income.If you're looking to generate an extra $1,000 a month in income, you can do that by investing$50,000 each into three leading pipeline master limited partnerships (MLPs). Note, however, the payouts will be on a quarterly basis.The pipeline sector, by and large, is a toll road type of business, which means energy prices don't have much direct impact on companies' ...