Max Amount of Presents You Can Buy? (Too Many Packs?)

I heard last year or the year before if you had too many presents it would lock your account or something? Is that true? If so, what is a safe number to have so this doesn’t happen or do I not have to worry this year?

This is my first year dealing with presents so couldnt tell ya, but i know some players got millions upon millions worth of training in presents so i dont know if u r a big baller like that but id assume ur safe