Budget:20$,do not apply if u r expecying more than 20$.please only apply if u can start now.
lat,long should be retrieved without GPS chip,use google maps API.
1)Need to retrieve lat,long,speed,batterylevel(external battery with 48V,10Ah)
2)Need to pass to API,code is already there,u have to pass variables only.
You need to have nodemcu and 4 relay module ready with you.
You have to help via teamviewer if there is any problem while running the file.
You have to be patient during work and fix the things if found any.