Contributions
Maryland offers a state tax deduction for contributions to a 529 plan of up to $2,500 for single filers and $5,000 for married filing jointly tax filers.
You can also carry-forward excess contributions for 10 years, which allows for super-funding.
Minimum:*$25
Maximum:*Accepts contributions until all account balances for the same beneficiary reach $500,000.
Matching Contributions:*Eligible participants who open a new account can receive up to $500 in matching contributions from the state.
https://thecollegeinvestor.com/529-plan-guide/maryland/
Raising the tax State deduction over 2.5/5 to 5/10 would be a start .. but doesnt address the rising costs of college