I would think that the tax's on the additional income would make it a wash.In addition you might (I'm not 100% sure) lose the 250K tax free deduction when you sell your primary residence, as it could be argued that it is ... well, a rental property and not your primary residence.When you have multiple properties and travel between them, it makes sense, not so sure on a single residence or everyone would be doing it and it would be all over the news, internet.

There's many free webinars on the internet about real estate but watch out for salespeople. 

I also do free prescreening of verifying employment, calling prior landlords, and open source internet of social media and state/county criminal court systems.

Well I have my first Lead Geeks Amazing internet lead for $200! 

Square feet, layout and location are limiting factors that can cap your value.

Use the internet to research all the properties available in your area. 

The floor plan shall also designate which rooms you will be renting out and those room dimensions, so as to verify the Gross Floor Area Requirement.o Documentation which verifies you are the owner of the unit and it is your principal residence.o If renting 3 rooms, a certified plot plan with parking layout which shows the property has sufficient parking.

He used a flip phone until last year, does not pay for internet and is in general very frugal and takes the extra money to put into investments. .You do not have to go with out internet!

@Michael WlosekWhat does it cost to give him the digital copies and rights to the plansI get plans drawn all the time for .85 to 1$ per square ft if we use the plan off the internet we buy those in addition to not get in trouble with copyright laws.

Hotels already have the general layout of an apartment complex plus an elevator, common area and parking.