While chip-and-PIN cards are prevalent in Europe and Asia, the U.S. market offers a PIN option on only a dozen cards, mainly issued by credit unions. PenFed offers four credit cards with both signature and PIN capability, and a $20 donation will get you into the credit union. PenFed declined to speak on record.
A little basic math would indicate that splitting the 20 mg tablet in half with the Cialis Pill Splitter will save $14.50 per tablet. Splitting the 10 mg tablet in half will cost about $2.25 per tablet more than if you just buy the 5 mg tablet.
If you're interested in pill splitting, the first step is to talk to your doctor or pharmacist. Find out if any of the medicines you use can be safely split. Equally important, find out whether splitting them will save you enough money to justify the slight inconvenience.