Assuming they are Drum brakes most likely the wheel cylinder is bad.
It could bend valves.
yes
Front disc, rear drum
Rear wheel yes, four wheel was an option.
The brakes :)
Depends on your driving habits.
you go to a mechanic, because this is probably the best advice you will get on the web.
Haynes repair manual, Dodge Neon 2000 thru 2003. Book #30036
check your calipers,theymay have froze up
anyone in there right mind would not to remove breaks on a car. Really!!
sounds like an exhaust leak, or a fuel leak. that depends on the smell.
Backwater Awhile was created in 2000-11.