If you want the nicest rooms, go for the Golden Nugget ($34 per night Resort Fee). For the best prices, either the Four Queens or Binion's, they have ok rooms and do not charge a Resort Fee.

Here is a link to the Las Vegas Advisor's Resort Fee guide https://www.lasvegasadvisor.com/resort-fee-hotels/

Parking for hotel guest at downtown casinos is free.

Scott