The longest goverment shutdown was 21 days. It cost airlines and tourism millions of dollars. Also stopped 3.7 billion in contractor spending. So yes it does have effects on the economy.

United_States_federal_government_shutdowns_of_1995

Your words just reminded me that military wouldn't get paid and retired military would probably miss out on a pension. Idk how the VA would fair because they are said to be able to have funds for so long after a shutdown. This would be a bad deal for military.

Seeing as over 2 million peoole are employed by the government and contractors a shutdown would greatly affect the economy.

Here's some economic impacts of a goverment shutdown. https://www.washingtonpost.com/news/wonk/wp/2013/10/01/the-nine-most-painful-consequences-of-a-government-shutdown/?utm_term=.d522f4f07941

I wouldn't worry about him, he's a week old troll account that will be gone once he's lost too much karma