@legmk Yes you should file a Joint return for both of you combined even if he has no income. You will get more deductions and a higher Standard Deduction than filing separate.
And don't confuse personal itemized deductions on schedule A with your business expenses/deductions on schedule C. They are separate. For Schedule A personal deductions, you get to take your itemized deductions or the standard deduction, whichever is larger. Itemized deductions are things like Medical, Gifts to Charity, State Income Taxes Paid, Mortgage Interest, Property Taxes, Car Registration fees, etc.
You get to take both, your business expenses AND the Standard Deduction (or your personal Itemized Deductions).
Did your husband file a tax return last year for 2023? How did you file last year? Did you use Turbo Tax?
Getting Married FAQ
https://ttlc.intuit.com/community/tax-filing-status/help/what-does-getting-married-mean-for-my-taxes...
Tax info on getting married
https://turbotax.intuit.com/tax-tips/marriage/getting-married/L0DvEUlEC
