@casper1403 We can not help you by raising your limits -- we are not eBay employees on this board, rather sellers and buyers like yourself.
I don't know how long you have been selling but the limits are determined by that. However, if you've been having a succesful track record in listing and selling -- It may be worth a phone call into eBay's customer service to request and increase in your limits.
Happy 2018! May this upcoming year be a prosperous one!