There is now a limit to how many entries each contestant can post to Public Contests, before voting has started. The reason being that the Contest Holders need to get a chance of providing feedback, before they receive hundreds of entries that may not be what they’re expecting.
Currently, each contestant can post up to 15 entries per Contest, if there are zero Votes. As soon as there is at least 1 Vote, you can post more. But you have to take into account the feedback from the Contest Holder and avoid posting the types of names that were voted down.
This also provides additional motivation for Contest Holders to start voting sooner, so that they could get more entries.