Success! I submitted my estimated quarterly tax payment on-line. If anyone is interested the website is www.eftps.gov. The acronym stands for Electronic Federal Tax Payment System. They make you jump through a few hoops, but it is mostly to protect you.

First you have to ENROLL. You do this on-line and it is where you enter all of your information: name, social security number, checking account number, etc.

After you do that they will mail you TWO envelopes. One, the enrollment confirmation, has all of the information you need to login to the system except for a PIN number. They mail that in a separate envelope a week or two apart from the first envelope.

Once you have both envelopes you have to first call a toll free number to get your internet password. You have to enter a couple things from the first envelope and the PIN number from the second envelope. The computer voice on the phone then tells you your temporary password.

Then you go out to the website and enter all of that information plus your temporary password. It will immediately make you change to password to something you choose.

After that the rest is pretty easy. You have to pick the IRS form that you want to submit on-line and I was looking for the 1040-ES form. It took me a couple of minutes to see that they have a choice for any 1040 form. You pick that choice and then on the next screen you pick which one you want, and the 1040-ES was right at the top of the list.

Then you just fill in how much you want to pay and on what date. Hit enter and it generates a confirmation number for you. No worrying if the envelope got lost in the mail or if it gets applied to your account.

Let me know if you have any questions I didn't answer.