Many people are concerned about the issue of guarantees. First you pay for the props and then they post it to you. If you paid attention to the 3 previous items, then you have nothing to be afraid of. Artists do value their reputation. It is accumulated over the years and costs much more than 10-15 thousand rubles.
But do not trust everyone without exception. There are good artists, and there are scams.
And there's another nice feature. If you are going to learn, cooperate and work with an active artist, then you will always have a person at hand who, in case of anything, will advise and help. There are many pitfalls at the beginning of the journey, and advice is always worth a lot.