GB is right - and if you are engaged in high risk sales or repeated suspicious sales (according to PP) the limitation can come right back quickly, sadly.
The fact is you never know. The only thing you can do is get ready for plan B. PayPal and eBay will always get smarter each year . We all have to be one step ahead. It's evolution. EBay and PP judge jury and executioner of accounts.
You need to have accounts in rotation only only way to churn a profit unless your Best Buy toys r us Walmart or some big box retailer. The little guy always gets the sour end of the stick.