Need a vehicle and advice by the 23rd?

For the title , obviously I need a car . MedlinePlus I had to sell our last litter because the motor is locked. MedlinePlus MedlinePlus We saved $ 800 , but that's it . That's all that seems to be able to hit 800. MedlinePlus There's always something that keeps coming to point that needs paid. MedlinePlus Usually, not having a car is not a problem, the public transport system in our area is pretty decent . MedlinePlus Now we have to have one . And we have a deadline is fast approaching . MedlinePlus Some reasons are : MedlinePlus 1. My husband will get a huge promotion wage gap if you purchase a vehicle MedlinePlus 2. My mother is dying . End of story . She had a stroke four weeks ago and a blood transfusion a week ago. MedlinePlus MedlinePlus Now , the solution to the second is myself greyhounds there. I do. I just want to be able to drive there and stay the last minute if I need it. MedlinePlus MedlinePlus Does anyone have any suggestions where we could go to buy a used car in San Antonio . MedlinePlus MedlinePlus Note : We tested our RBFCU loan and has not been successful . We both have student loan debts . * Sigh * MedlinePlus MedlinePlus Any suggestions or ideas are appreciated .