They're just waiting for you to leave a large enough amount in your paypal account to put the limitation on...
The best advice for dealing with paypal..
DO NOT..and i repeat, DO NOT KEEP A LARGE AMOUNT OF CASH IN YOUR PAYPAL ACCOUNT!!..
Whatever funds you have there now, transfer them to your bank account a.s.a.p!!
And if you still insist on using them, i'd suggest whatever funds you have sent to you via paypal, instantly transfer the funds to your bank account...
Here are some helpful websites and forums you can use if you ever run into trouble with paypal..
www.paypalsucks.com
www.nopaypal.com
Site helped me out a whole lot..got my funds a couple days ago after filing complaint with AG of their state..which is Nebraska..
Good Luck when dealing with paypal......Eventually, they will freeze your account..they're more than likely watching your account now as your reading..waiting..
also, become very familiar with their TOS and their User Agreement..Read and understand every single page..all 50 of them...