Whether you file single, married jointly or separate or as a head of household, it is to your best interest to be aware of the Law changes from the IRS and claim all the correct deductions and credits.
Each and every Taxpayer situation is different. Some of you may have just one job; some may have more than one job or a job in New York. Some of you may have small children or teenagers who still attend High School or Colleges, these teenagers may or may not have part-time jobs, these same teenagers may not be well informed that they are still your dependents and yes the should filed their personal taxes but as a dependent of the mother or father or both but not independently, which in the end could cause you, the parent, a smaller tax refund.
There are different deductions and credits for self-employed individuals, small business owners, and homeowners.