What does the software or service do well? Easy place to make payments and get paid through. Transfer of payments to your bank account is free and doesn't take more than 48 hours. No fees are taken for transferring money. A small fee taken when paying for items on certain websites. You don't need money in your account to make payments. Simply connect to your bank account or even credit card to make payments. The app version is also great for when you're on the go. Easy payments done faster than one would think. You can also send and receive money from other PayPal users.
What does the software or service not do well? One thing to improve would be knowing the fees before you pay. The website tells you there will be a small fee, but it would be nice to know exactly how much as you're checking out. Other than that, I don't think there is anything that can be changed to make it better.
What do you wish you had known about the software or service before using? I was not aware of the PayPal cash card. Had I known, I probably would've used it.
Have you used a competitor to the software or service? If so, how does it compare? I have used zelle as well as venmo. Unlike the other two, with PayPal you can use it on websites. With zelle and venmo, you can only use it to send and receive money from users with those accounts. You will not be able to use it anywhere else.