Read Publication 17 and Publication 334 in their entirety, and read them with understanding (look up, research, Google anything that you don't understand in those Publications). <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-pdf/p17.pdf">https://www.irs.gov/pub/irs-pdf/p17.pdf</a> <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-pdf/p334.pdf">https://www.irs.gov/pub/irs-pdf/p334.pdf</a> However, you just said this is NOT for a tax business, is that correct? Realistically, if this is just for your personal situations, you are MUCH better off to go to a tax professional than to learn everything. Focus on what your business actually does, and hire experts (such as tax professionals) for everything else. THAT is a recipe for a successful business. When you try to do everything for your business (such as learning everything about taxes for your own non-tax business), your business will not be as successful. If you are trying to start a tax preparation business, after reading (and understanding) Publication 17 and Publication 334, you may consider taking a class to become an Enrolled Agent. That will PACK your head full of information. Another way to learn things is to go on forums such as this, find a question that you DON'T know the answer to, and research the answer via IRS Publications and Google. That is how I learned A LOT of my knowledge.
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You can continue to take the deduction for the amount of student loan interest you pay each year, after you have graduated and until the loans are paid off. The amount you can deduct is limited by your Adjusted Gross Income. For 2018 , the maximum amount that you can deduct for interest paid on student loans remains $2,500. Phaseouts apply for taxpayers with MAGI in excess of $65,000 ($135,000 for joint returns) and is completely phased out for taxpayers with MAGI of $80,000 or more ($165,000 or more for joint returns)
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