Which company or slft to choose for posting ads on the walls in VKontakte groups?

Question

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Greetings.
There are hundreds of necessary groups on Vkontakte, I would like to place the necessary advertisement in all of them on the wall or in their respective section, for example, a job advertisement.
Doing it manually is a long, troublesome business. Do you know of any companies, software, people or services that can help with this? But to help, so to speak, is intellectual, that is, so that the whole thing does not look like terrible spam scattered anywhere, but is placed exactly where it is needed + so that there is no account blocking. I am far from social networks, but the question is urgent. And if you know, then tell me the approximate range of prices.

Answer 1

1) In order for it not to look like spam, it must be allowed in the rules of the group and an open wall (for posting such posts on the wall). Or for this, a discussion topic should be created, just for such messages.
2) Everything else that does not fall under the first paragraph will be considered spam and deleted. And plus they can block in the group itself. Here we go to point
3 3) Placing such posts by buying as advertising from the community admins. Well, here, of course, you will have to negotiate with the community admins separately and everything manually.
4) There is also a way to use the advertising network of VK itself. Profit from the funds spent, in my opinion, there will be more.

Answer 2

If the little things are enough sobot, if more serious then vkakmanager from perfect