Tired of people asking for rides

People ask me for.rides and only give 5 buck gas and thats not enough its 4 something here for gas now.. they think im suppose to run all time... my car transmission is trying to go out now im saving for something else my car is 21 yrs old now. It needs work to it. Ppl think im suppose put gas and run take them places..... im tired of it now.. gas is expensive now and im tired of ppl... not my responsebilty to take ppl places all time... i had kids to take care of. I got my license for my kids not for others...