any advice on when making checks, any software , printers?
What's a good setup to read and write ?

There is a big variety of MSR's, all of them come with the software. You can order one from ebay or Ali

any suggestions for checks?

Some time ago i saw pre set templates for Canadian banks for sale. if you look around u should be able to find some. If not msg me i might be able to help you

I NEED VALID USA CHEQUES AND LOGINS. AND SOFTWARE TO PRINT CHECKS

Try hp laser jet pro map m28w printer with micr toner. For checks I use versacheck pro and valid a/n r/n for the stock amazon has good paper with hologram don’t go cheap this is why checks don’t AP

Are you law enforcement?