ltlover

Well I put the new water pump in and everything is going well. I changed the oil and I found some leaks.
1. the sensor right above the draind plug, I heard this one is not to bad to fix.
2. Intake gasket the famous one!!!
3.Timing chain cover
I cannot smell any oil leaking and my oil pressure is awesome, it's never below 45 p.s.i and it moves well whenever i give the car gas.The question is that i am a college student and kinda broke, is it bad for my car to just leave these alone till i have the money to fix them or should i find a way to get this done fast. What can happen due to these problems? I appreciate the help.