As one of those evil American conservatives, I'm perfectly okay with targeted compelled speech in business activities, such as requiring marketing to be truthful.
Very few conservatives would be upset with the FDA being focused on "truth in packaging" as opposed to "FDA-approved" translating to "force employers/schools to force this on everyone" (aka experimental COVID shots).
Very few conservatives want to remove all regulation - many I know like the safety of the banking system as opposed the scam-heavy crypto market. However, we don't like over-zealous political enforcement of regulations (aka IRS doing targeted audits on conservative leaning institutions) or every transaction being reported to the government.
You are correct there isn't a meaningful economic difference between Democrats and Republicans right now. Both parties are letting inflation run rampant, have done little to fight taxes, deficits, or debts, and have no sense of financial responsibility to their taxpayers or voters, even though they both scream it when they are the minority party.
However, most Conservatives care about the federal debt/deficit, even if all the Republicans in the House don't. That's why Congress's approval rating is crap.