My educational background includes a bachelor's degree in both Computer Science and Business Administration.

I want the most accurate information, not some computer algorithm guessing.

I don't have my computer and printer set up to access it easily. 

Quickbooks is the market share leader when it comes to accounting / bookkeeping.The reason this can be considered important is that if you need an accountant to review, make corrections, transfer the accounting to a third-party, it would be easiest with quickbooks.The desktop version will be more affordable than the online version.Best of luck.

If you're interested in a property, pull up the street view & drive around the area from your computer.

This generally includes anything with a useful life of 20 years or less such as software and computers, equipment, specific building improvements and office furniture.When to consider bonus depreciation?

There is no solid rule as per the continuous/series contracts (sure, go ahead and re-hire him, no rules after all, just risk), and it does not compute like 500 contract #1, 400 contract #2, 450 contract #3, but they will consider you are just breaking the employer law and evading the unlicensed contractor law by going just under the radar, more likely no one is going to know, but you could never tell. 

Even if you don't have an agent, you can go to Open Houses when they have them on more investor properties and get your feet wet off the computer and in the real world.

However, while we were cleaning up, we treasure hunted out at least $3000 stuff, including $300 cash on the floor, several un-opened Amazon boxes, new-in-box computer/gaming items, hair tool ($300), YouTuber's gadgets, new with tag heated jacket ($220), an unassembled exercise bench ($500 at least), so many new or near new stuff that you can sell.

The IRS computer will match your 1098s against your deductions.