And then we have California, which finally rejected 100,000 mail-in ballots in the March presidential primary because of late arrivals, missing signatures or other failings avoided at voting stations because of official guidance.
How do I find my polling place?
Vote in person at your polling place.
While it is a typical partisan primary on the ballot, the polling locations will have some changes to keep everyone safe.
CT voters will rubber-stamp the presidential nominees and decide a number of down-ballot races Tuesday, but the result everyone will be watching for is how the primary itself comes off.
So far, there have been little and not-so-little glitches, such as Tropical Storm Isaias, which last week knocked out power to about half of the state's polling places.
"More than any other state in the nation, IL has a track record of both corruption and incompetence - and its residents have no reason to believe that the government can conduct an honest and accurate vote-by-mail in the upcoming election", Sean Morrison, chairman of the Cook County Republican Party, said in a statement.
There are two big things that can slip up voters when they are filling out a mail ballot: filling out the ballot incorrectly, and signing it incorrectly. You need to get registered.
Once you've figured out this system, and especially if you're in a place where lots of people historically haven't voted by mail, think about helping a friend or offering assistance on social media.
The five-member Board of Elections voted unanimously Friday to seek Hogan's permission to create voting centers after the nonpartisan bureaucrats that run Maryland's election said the extreme poll worker shortage was getting worse and could create an unworkable fiasco.
The lawsuit, filed in Chicago, also claims the expansion was hastily implemented and that IL is "woefully unprepared" to carry out the changes, citing problems with its new automatic voter registration program.
"I am extremely concerned for the voters in our large cities", she wrote, saying "neglect" by Merrill's office "may disenfranchise their vote next Tuesday". The group previously challenged Election Day voter registration in IL. Voters not listed on the rolls had to vote provisionally.
If more federal money is made available, it could allow local election offices to hire more temporary workers to help process ballot requests and count ballots on Election Day. "There were some delays, but majority are kind of understandable, to be honest, when you see the volume of what we did and the newness".
Your mail-in ballot must be received by the Supervisor of Elections' office on Election day by 7p.m. An appeals court overturned a ruling in favor of the group just weeks before the November 2016 election.