Ace of Pentacles represents beginning of prosperity and it's about opportunities to start a new project. &  It's about investing resources in a project.

It's a time that finally you can say "At last success begins to show;" 

If you have good foundations it'll bring the best results. 

You might receive an important document or letter soon, this might be a legal document. 

Ace of Pentacles is also warning you about greediness and asking you not to be greedy  

Ace of Pentacles also telling you that you are overly possessive regarding to money and belongings.