A simple way to help finance campaigns for conservatives is by checking the box on your income and property tax forms to authorize the state to contribute $5 to the Republican Party.
Here is an excerpt from the mn.gov site: Minnesota income tax and property tax return forms have a space where the taxpayer can check a box to designate $5.00 (or two separate $5.00 amounts for spouses filing jointly) to go to a particular political party. All parties that have met the statutory requirements to be recognized as a Minnesota political party are listed on the tax return forms.
The amount you checkoff does not affect your tax refund or tax owed. What you are doing by checking a box is instructing the state to pay your designated amount into an account called the State Elections Campaign Fund for the party of your choice. Money from the state’s general treasury funds the checkoff; not money from the filers using the checkoff.