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I will gratefully accept your tip in this bag if you liked my work
I'm David, and My picture is real! If I just made some additional work for you, and I complained that I stayed up late in night to deliver you a quality service, or you are aware that my work is worth more than the price you paid for it
this is the place to cheer me up, leaving any tip you want
maybe in the future you will need small services that do not require a service order (then I will remember about your tip)
Regards,
David