Here are some recommendations for you:Find and connect with other BP members that are in your area:http://www.biggerpockets.com/meetSet up keyword alerts to be notified of the topics that interest you:http://www.biggerpockets.com/alertsRead Beginner’s Guide:http://www.biggerpockets.com/real-estate-investingCheck out BP Podcasts:http://www.biggerpockets.com/renewsblog/category/podcast/Wishing you the best!

Or what are some other categories?

While appreciation is always a nice bonus, our primary objective is to build a portfolio that also yields reliable income over the long term.

They fit in the "too good to be true" category. 

I see the House passed the Tax Relief for American Families and Workers Act of 2024, meaning that bonus deprecation may get extended. 

If you are getting into commercial, make sure you read up on cost segregation, bonus depreciation, lease structures, in addition to underwriting approaches. 

Owning Your Business Vs Operating within another businessI agree, owning your own business would be awesome, but this falls in category No. 1 -- it sucks, but what can you do about it?

The seller won't even be able to offer bonuses to entice buyer agents!

At the end of the year, I also usually get an annual statement summarizing all of the fees by category for my taxes. 

A lot of folks will look at things in various categories so expanding to see what else is there is a good idea.See what a lake view place that has a 5 minute drive to the beach gets.