But I can't seem to find any information about what are legal requirements for owners and property managers.

you choose one pay for it and they provide them.What I found out is they just send over the plans with no updates to current codes so we submit then and get check sheets sometimes 3 or 4 and takes 90 days to get approved instead of them understanding the new codes updating the plans before giving them to us.And to be fair to the architect we can send in the same plans and depends on which examiner gets them some will fly through others come back with check sheets that an examiner frustration issue.

I could only imagine the legal agremeents needed on who has what right/easements etc.

Do not rely on it for legal advice.

Also, if the triple is a legal multifamily, you will be able to use the other 2 vacant units at gross rent of 75% to lower your monthly mtg payment.

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchanging "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

I don't know your state but I suspect you would be breaking some law, as you are likely unable to legally market something you don't own or have use and possession rights.

I think I would probably talk to an attorney tbh these business purpose non regulated loans do not have rate locks that have to be honored legally.. they can and do change them unilaterally.. borrower accepts counters or declines and loan fails. 

Hi, I have converted 12 sfh to legal duplexes in oshawa.

We use carbon copy in letter size (legal size is just a pain).