REI Comps across the U.S. (https://propwire.com)

REI Comps in Texas (https://app.listingspark.com/marketcompare)

Propstream for lead lists, comps, mailers (https://login.propstream.com)

HouseCanary for bank quality comp reports that are 98.5% accurate. Cost is $30 each. Covers the entire US. https://www.housecanary.com/products/explorers/