Rubuta ci gaba don wannan sakin layi - Ba a taɓa yin la'akari da abubuwan waje ba idan an taɓa yin la'akari da ƙididdigar sakamako mai yawa. Wannan na iya zama babbar matsala ga kashe kudade na soja. Alal misali, Ƙungiyar Islama ta Iraki da Levant (ISIL) ta dogara ne akan makamai da aka kama. Alal misali, a Mosul
tsakanin 4 da 10 Yuni 2014 wani rukuni na tsakanin 500 da 600 ISIL sojojin "sun kasance iya kama shida rarrabuwa 'darajar dabarun makamai, duk da shi Amurka-samar" daga wani karfi da takarda ƙarfi na 120,000 maza. Idan aka yi la'akari da tasirin da ake samu na kashe kudaden soja, ba a la'akari da mutanen da aka kashe da kuma dukiyar da aka lalata ba. Abubuwan da kawai aka yi la'akari da su shine karuwar tallace-tallace na makamai don maye gurbin wadanda aka sata da kuma farashin da ke tattare da yaki da ISIL. An yi la'akari da su a matsayin haɓaka Gross Domestic Product na Amurka, kuma an ɗauka cewa yana da kyau.