Although I dont use one anymore, I used this machine for a couple years back when
I started to get the detecting bug again, and got back into it.
I know alot more now about the newer high end detectors and capabilities, but I gotta
say, I found ALOT of coins and had many great finds using this. Its biggest limitation would probably be depth, but any coins up to 5" it will find in a snap. Target seperation is probably another limitation it has, but as any seasoned vet will tell you, you can learn what the machine is telling you with use. Tone ID, and probable target ID works well and the discrimination abilities are quite nice for the price of this detector.
For best depth on this, use ALL metal mode, AND the discrimination dial. Less descrimination = more depth. Sensitivity as high as will allow without erratic response.
I found many mercury dimes, silver rosies, buckets full of wheat pennies, a handful of indians, buffalo nickels, all denom. of clad of course. Paid for the detector in one day, after finding a Roy Rogers sterling ring in mint condition. Sold it for 130.00

Also found an 1827 5 Franc and an 1880 Canadian dime. (my favorites , Im in PA)
I thoroughly enjoyed it the whole time I used it, so dont let anyone tell you its junk. You will have a blast, just take your time to learn it. Its a simple machine, so you can spend your time finding things and not worrying

If you havent yet, give it a try in ALL Metal mode, and turn the discrim knob up to 12 oclock and start there. You can go further to eliminate the mid tones (zinc penny), or you can go back some to allow the nickels and gold range in... all your own preference. Straight all metal with no discrim will be deepest, but you will hear all the garbage too. I had terrible depth and results using Auto Notch, I dont recommend it for any depth at all. You can also notch out Iron alone, that helps in some situations

Use headphones for battery life, dont use rechargeables unless they are a high mAH rating. (energizer rechargeables wont cut it for 9 volts)...lastly, wrap the coil wire tightly and as high from the coil as you can for the first wrap. Alot of falsing problems people have are that dang wire being seen by the coil when it moves a little.
Sorry I rambled, I just knew a little about this one, so I wanted to share. Its been a while. Just ordered a new DFX the other day though, will be here soooon

Ive waited a long time to get this machine. Finally snuck it in the budget !
Enjoy your BH, it will treat you fine !