Why wouldn't you ask them to sit you down and give you the "download" on everything you should know to do this? 

Significant changes to lease terms that impact tenantAlso, the tenant would not qualify for relocation assistance if they live outside of Portland City limits, live with their landlord, or have a week-to-week tenancy.The tenant has a "Right to quiet enjoyment" No entry is allowed for maintenance or repairs without proper 24-hour notice.

I am an introvert and I run meetups so take it from me, quiet is ok.

Please use an attorney if you plan to file a quiet title action or eviction.

While you can't create limitations against their lease and legal rights they have for quiet enjoyment, things like keeping common areas free of clutter or routine maintenance items that are tenant responsibility can often be added to help keep the expectations on both parties clear.

The whole idea of a quiet title is to give people public notice, you never really know if they are local or not.

I make unpredictable little noises when the cash smacks into my hand, a little giggle sometimes, a quiet little satisfied grunt others, a throaty, "Ohhh yyyyeeeeeeeeaaahhhhhh..."

We (mods) will have a trainload of spammers, and all of us are doing double-time clearing things off, and all of a sudden it will get real quiet and we can go back to doing things that are usually more fun like posting and reading threads, which doesn't mean we become complacent but does mean maybe we're not as vigilant as usual. 

It's only been a week, but what are my options if they do not return and the RV just sits in the slot? 

For the most part its just health and safety items, which are items we should have remedied anyways.As someone else mentioned, biggest thing to avoid is having the house tagged as vacant which the city will do if it sits empty for too long (handful of months, grass not cut, etc).