I assume you don't have an alternator or the one you have does not work well? A jump box is going to help get it stated but without a capable alternator, you will still have a dead or weak battery which is about useless for your water pump, fuel pump, ignition system etc...
Install a factory or a one wire alternator for about $100 or buy a second battery from Wal-Mart with the most CCA that will fit and you can swap out as needed, they cost about $45. Find a way to charge the first one (a car in the parking lot, in your "pit" area, swap with your tow vehicle, extension cord and a battery charger etc.. and repeat the process when that battery gets low.