I think it will be fine as long as the fill did not have organic mater in it. like leaves, grass, roots etc. organic matter decomposes overtime and would cause some settling. If it was sandy, rocky or clay you should be fine.
When I got started as a race mech most of the race rigs were carrying Makita and so I followed suit so I could always snag a battery or charger when I needed. The old guys raved about the trigger feel and overall quality of the tools. They were right the sensitivity and feel I get from the tools...
ill be honest if im shipping something out i only send it to the address which the card is registered to because my card system will reject it otherwise.. there are a lot of crooks out there and that's the mail reason.. buy something on someone elses card and have it shipped to another place so...
ill be honest i have so few because i try and be as efficient as possible, and i don't want guys thinking i have a lot of tools so i wont mind loaning one.. cause if something breaks..i want to be the one who breaks it.