▁Carter , ▁along ▁with ▁Norm ▁Son ju , ▁founded ▁an ▁NBA ▁expansion ▁team , ▁the ▁Dallas ▁Ma ver icks , ▁in ▁ 1 9 8 0 . ▁When ▁Son ju ▁had ▁difficulty ▁se cur ing ▁the ▁funds ▁needed ▁for ▁the ▁US $ 1 2 ▁million ▁expansion ▁entry ▁fee , ▁Carter ▁stepped ▁forward ▁to ▁guarantee ▁its ▁payment . ▁This ▁initial ▁invest ment ▁in ▁the ▁team ▁( US $ ▁in ▁today ' s ▁terms ) ▁eventually ▁earned ▁him ▁US $ 1 2 5 ▁million ▁( US $ ▁in ▁today ' s ▁terms ) ▁when ▁he ▁sold ▁the ▁team ▁in ▁ 1 9 9 6 ▁to ▁an ▁invest ment ▁group ▁led ▁by ▁Ross ▁Per ot ▁Jr .. ▁ ▁Over ▁the ▁years , ▁Carter ▁owned ▁many ▁different ▁types ▁of ▁business es , ▁including ▁a ▁Roll s - Ro y ce ▁deal ership . ▁ ▁Other ▁business es ▁include ▁banks , ▁tr uck ing ▁fir ms , ▁hot els , ▁rode o ▁aren as , ▁and ▁cattle ▁ran ches . ▁In ▁the ▁ 2 0 1 1 ▁championship ▁win ▁by ▁the ▁Dallas ▁Ma ver icks ▁over ▁the ▁Miami ▁He at ▁he ▁was ▁given ▁the ▁honor ▁of ▁receiving ▁the ▁Larry ▁O ' B rien ▁tro phy ▁by ▁Mark ▁Cub an ▁as ▁the ▁first ▁owner . ▁A ▁minor ity ▁( 4 %) ▁owner , ▁he ▁frequently ▁attended ▁Ma ver icks ▁games ▁until ▁his ▁death ▁in ▁ 2 0 1 8 . ▁ ▁Personal ▁life ▁and ▁death ▁Carter ▁had ▁two ▁sons , ▁Donald ▁J . ▁“ Jo ey ” ▁Carter ,