Therefore it is strongly encouraged to make sure you do the title search and, as best as you legally can, inspect the property so that you can make some assumptions about its condition before placing your bid. 

Should I consider legal action?

Should I consider legal action?

Hey everyone,I closed on a new property on February, the tenant sent March rent by mistake to the previous owner, who refused to send it to me, saying that this covers  the tenant's past owed rent.I have an email from the tenant stating that this amount was intended to pay March rent, so I think that the owner has no right to apply it to the previous rent owed, since it's not his money.Do you think I have grounds for taking a legal action based on the tenant email?

You're quoting the IRS instructions that have exactly zero legal weight.

Make sure the garage apartment is legal.

And if the home is designed with them in mind (ADA compliant bathrooms/kitckens, elevators for a multi-unit, etc.), it just seems like a good way to go.

You will also have design and engineering costs in addition to construction. 

Wix and Squarespace both offer easy to design with, no code, drag and drop tools and free web space for flat sites.You can also upload a flat website to a S3 bucket in AWS under the free tier.

Last thing I want is to get a duplex only to realize it's only legal to have a SFH in there.