DepositPhoto --

So, since I've too small sample, I would like to know if anyone is experiencing the same.

I've approx. 300 photos with DP and so far I've sold like 20 files, all either subscription or SMS sales of which 25% was later canceled and the royalty deducted from my account with statement:

Subscription was rejected

I'm assuming this means they somehow canceled the subscription, but whoever bought it still managed to download some images.

And it happened multiple times (i.e. it was not single purchase of several files that would later be canceled).

The % is too high, so I'm thinking that if this is an overall trend, I should close my account.

Yea, unlucky.
377 sales here and only 3 returned.