Deductions and Write-Offs

Yes. Whether you choose the actual auto expenses, including depreciation or lease payments, or use the mileage allowance method, you can still deduct the actual business tolls and parking expense costs. You should maintain a record of the expenses and keep your receipts to verify the deduction.

MACRS is the abbreviation for Modified Accelerated Cost Recovery System. It is a statutory method of depreciation allowing accelerated rates for most types of property used in a business or income producing activities.

A useful way of funding college costs is to set up a IRS Section 2503(b) trust. Parents can each contribute $14,000 or $28,000 ($13,000 or $26,000 in 2012) per year, per child to this kind of trust and still qualify for the annual gift tax exclusion.
Funds within the trust can be accumulated and principal payments delayed until college.
A 2503b)trust requires that all income be paid annually or more frequently to the beneficiaries. Principal payments can be delayed until age 21.
Income distributions can be planned by various investment strategies. Principal can often be left in trust for periods of time exceeding the child's 21st birthday.

You cannot deduct parking at your regular place of work because it's considered a commuting expense. Parking and other transportation expenses are often deductible, even by employees, if you work at more than one location in one day or work on a temporary basis away from your regular workplace.

There is a phase-out of itemized deductions for taxpayers with AGI above $259,400 (individual filers), $311,300 (MFJ), $285,350 (H of H).

Probably yes. Gross income for the dependent test does not include non-taxable social security, tax exempt interest or gifts.
For tax year 2013, if his gross income is less than $3,900, then he satisfies the gross income test criteria for claiming him as dependent.
Speak to your local CPA to verify if your father meets the other 4 dependency tests so you can claim him as a dependent.

MACRS 3 year property includes race horses over 2 years old when placed in service, non-race horses more than 12 years old when placed in service,
qualified rent to own property,
special tools used in the manufacture of plastic products or rubber products, or motor vehicles. .

MACRS 5 year property includes cars, taxis, buses, light general purpose trucks (less than 13,000 lbs),
typewriters, calculators, copiers, duplicating machines, computers and peripheral equipment, including appliances,
carpets, furniture used in a residential rental real estate activity,
breeding cattle and dairy cattle and property used in research and development.

MACRS 7 year property includes office furniture and fixtures such as desks, files, safes, cellular phones, fax machines and any property that does not have a class life and not classified by the IRS.