First time home buyer in Texas

I know interest rates are high and right now may not the best time to buy a house .. but I am literally tired of the bs at my apartment complex! I think it’s time I get a house. My bank already has me “ pre-approved “ for $300k. I make $80k and my partner $55k. Anyway I’m looking for advice/ tips buying a house. Who has recently bought a house in Texas? What are some grants you’d recommend? I’m in Texas and looking to buy in Houston or surrounding areas. Any advice/tips are appreciated