Toolkit to get bye on

My name is Jim hope all is well I have iPhone 7which will need complete front screen and maybe batteryalso I have Samsung 7,chromebook Acer nee and couple older laptops Toshiba and Dell and alot little electronic stuff I tinker with older GPS uints,fuzzbusters and so on just wondering what you guys think I can get bye on as far as some tools go.Now they will be in tool box most of the time until needed I'm 60 YERS OLD NOW JUST DONT WANT TO SPEND A WJOLE LOT ,,HEARS MY EMAIL HOPE TO HEAR FROM YAS THX A BUNCH. WWOODRUFF45013@YAHOO.COM.