A few tips about the site..You'll find lots of good info in the "Learn" link across the top navigation bar, and in the link at the top of this introduction forum.

I received this info from @Nathan Sharp when I first started.http://www.biggerpockets.com/renewsblog/2013/01/04/how-to-rent-your-house/(house rental guide)http://www.biggerpockets.com/renewsblog/2013/02/22/buying-rental-property/(how to buy a rental property)https://www.biggerpockets.com/renewsblog/2013/11/02/hack-housing-get-paid-live-free/ (House hacking)https://www.biggerpockets.com/renewsblog/2014/03/13/investing-multifamily-ben-leybovich/ (Podcast 061 - How to succeed in multifamily investing)https://www.biggerpockets.com/renewsblog/2013/04/09/how-to-buy-a-small-multifamily-property/ (How to buy a small multifamily property)https://www.biggerpockets.com/renewsblog/2015/11/16/how-to-choose-areas-multifamily-deals/ (Choosing multi-family deals)http://www.biggerpockets.com/renewsblog/2014/07/19/how-to-buy-a-duplex/(guide to buying a duplex)https://www.biggerpockets.com/renewsblog/2013/12/12/bp-podcast-048-duplex-managing-tenants-darren-sager/ (Duplex investing)Now that you have made the move, below are some links that will help with the navigation of the site. http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meethttps://www.biggerpockets.com/alertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.biggerpockets.com/termshttps://www.biggerpockets.com/inviteshttps://www.biggerpockets.com/perkshttps://www.biggerpockets.com/forums/categorieshttps://www.biggerpockets.com/rei/glossary/https://www.biggerpockets.com/webinarhttps://www.biggerpockets.com/courses/a-beginners-introduction-to-real-estate-investing (video courses)https://www.biggerpockets.com/real-estate-investing (Ultimate beginner's guide to REI)Before your 1st purchase, please ensure you visit the below link for some tips.https://www.biggerpockets.com/renewsblog/2014/12/19/real-estate-investing-success-smart-tips/REI books suggested by BPershttps://www.biggerpockets.com/renewsblog/2015/11/13/7-real-estate-books-beginner-investors/ (7 absolute must read books for beginner REIs)http://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

Assuming you have a somewhat comprehensive lease agreement between yourself and the tenant, there is a good chance they violated a rule that would allow you to pursue an eviction. 

Thanks for the introduction .

:@Brendan Prendergast The answers are in the following book:WHAT EVERY REAL ESTATE INVESTOR NEEDS TO KNOW ABOUT CASH FLOW And 36 Other Key Financial Measures by FRANK GALLINELLIholy cow...I just read the introduction section to this book and learned so much. 

Hello Everyone,I realized my profile "about me" info works for an introduction so I'm just going to copy paste.

If it's in a multi, you have to speak with the condo association and they must inspect every unit, and come up with a comprehensive eradication plan.To get rid of them, you have to get rid of clutter (which I'm sure isn't an issue in an air bnb unit). 

If the sponsor is maybe less experienced and/or really needs the KP, it could be 20+% range; depending on a mix of variables (needs, experience, Loan amount, asset type, terms, time table, etc)In some cases (presumed rare cases), I heard from an experienced GP that a seasoned KP "may" get up to 50% (yes, quite high) by bringing solid experience and comprehensive value to a deal.

It's designed for a wide range of real estate sectors and offers comprehensive accounting and asset management features.

During the official part of the event you'll have opportunity to see investment potential of Ukraine and Ukrainian Real Estate Projects that may be of interest for investments, as well as to establish new qualitative connections between ukrainian developers/investment agencies and other guests - international investors and FIABCI representatives worldwide.December 3d - Day of Departure of T&I Mission participants to Ghent, Belgium.Let me know if you need an introduction, Erik