There should be more ways you can befriend him. He does not catch balls and you can only get the money to buy the things you harm him after you injure him. By then you have built a bad reputation with him
The recruitment amount makes no sense.
The weakest troops become the most expensive and the strongest become the cheapest. If you
accidentally click on the weaker ones when your meant to buy the stronger ones you lose your money.
Before searching for weapons look for 6 survivors. Only repair the barricade if it is below 70 and only if you must. After you got the six start looking for guns