300 words are enough to explain some topics. For some topics, even 1000 words may not be enough. Even with 300 words, there are articles that get a lot of hits.
If you have a different request; we can consider it and adjust it according to your demand.
Minimum should be 500 words for an article. 300 words would be considered as a press release. Try to increase the number of words and then advertise.