An amendment to the bill which passed the Senate on Tuesday could drastically reduce the ability of gamblers to turn a profit.

The House convened Wednesday to take up President Trump's Senate-passed massive domestic policy bill, with Republicans aiming to approve the final version of the legislation ahead of a July 4 deadline to get the bill to the president's desk.

U.S. Senate Republicans passed President Donald Trump's massive tax-and-spending bill on Tuesday by the narrowest of margins, advancing a package that would slash taxes, reduce social safety net programs and boost military and immigration enforcement spending while adding $3.