I have a V3i coming in a few days I got off eBay. From what I can see it looks almost unused. My brother passed away about 15 months ago. I am dealing with his estate which is in rough shape. I tore out an apartment and 3 garages 2 trees and detrashed the back area. 25 dump truck loads of what I call junk were hauled out. So now I have a at least on the surface clean yard. The house was built over 100 years ago and is a large 2 story 6 bedroom. There is .4 acres. I remodeled a small house for our mom about 6 years ago. I found silver dimes used as shims in the door ways. I know? The property is old enough to have silver and gold coins hidden in the depths. I plan to go over it with a fine tooth comb and many times until I am sure I have recovered everything there is to find. The detector I purchased has the stock 10" coil. I have been watching many video's and believe I have found some very good videos for me to learn the machine and get a fast start. Now I need to find the best large coil for depth. I do have experience with metal detectors but have been out of the hobby for a few years. Looking forward to using the V3i which I think will be a good match for the issues I see coming. I am going to clean it as much as possible before going deep. Any ideas are appreciated. Thank you.