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Except this is what you have said:

What I am thinking is, I would like to submit my application in Canada, with around 760 days count, and go back to original country for 1.5 month ( I do have nothing to do in Canada), and return Canada before the PR card expiry date.

So with barely meeting the requirements you would travel to your home country (instead of to USA to stay with your wife). So if ever some days in counting are close to those 5 years (like 5 years ago). They would be consumed without renewed. That is why it can backfire on you.
And because of your back and forth travelling, they can question all of that and force you to show detailed itinerary of all your travelling. between 3 countries.

That is why I meant that it can backfire on you.

Thanks for your point. For "detailed itinerary", is the stamp on passport enough? Canada never stamp on its citizen or PR's passport after they are entering since equipping scan machine in airport and never stamp any passports when people are leaving. But CBSA has all those records. Do I have to ask CBSA to report my records first?
 
Is there a general policy that if RO showing 860 days will make the application normal thus most likely get approved with a reason that I need to visit my wife during Christmas holidays? That means I submit my application in middle of Oct within Canada (a little bit later after the expiry date) and ask for urgent service and show a return ticket from Canada to my US home in Dec to Jan? I will enter Canada in April, make a 6 month continuously living there with an address of friend. I will pay rental for one room of cause.
 
Common sense yes, general policy not so much. Technically anybody can go for a secondary review if ever there is anything that can trigger the red flag.
And also there is no prescribed deadline in which they have to deal with your application. All it is there is the average application time and there and option to bug them if your application does exceed it (significantly).
In your case as you have long term visa for USA, you can solve your problem with the PR card by travelling close to the borders (Detroit for example) and then entering using a car or a taxi.
 
Common sense yes, general policy not so much. Technically anybody can go for a secondary review if ever there is anything that can trigger the red flag.
And also there is no prescribed deadline in which they have to deal with your application. All it is there is the average application time and there and option to bug them if your application does exceed it (significantly).
In your case as you have long term visa for USA, you can solve your problem with the PR card by travelling close to the borders (Detroit for example) and then entering using a car or a taxi.

Thanks vensak.
I do want to know what document I need if I drive across the border with an expiry card or without a PR card.
 
All you need is your passport. PR card is needed for boarding the plane but not for entering Canada itself. They are able to identify you accordingly (you can carry your UCI number to help them with that).

But again expect that you will undergo some questioning (that is why it is important to keep your RO running with your application). And last thing you want is to be reported because of not complying with the RO.

As for the 5 years itinerary they like to ask some kind of confirmation of your home country how long you stayed there (check the forum for more details). Not all country will give you that (eg. in Europe nobody tracks movements of their citizen).
So Passport stamps and or flight tickets and that official document will be handy. And also info from your wife including when exactly did she moved to USA to work there.
 
All you need is your passport. PR card is needed for boarding the plane but not for entering Canada itself. They are able to identify you accordingly (you can carry your UCI number to help them with that).

But again expect that you will undergo some questioning (that is why it is important to keep your RO running with your application). And last thing you want is to be reported because of not complying with the RO.

As for the 5 years itinerary they like to ask some kind of confirmation of your home country how long you stayed there (check the forum for more details). Not all country will give you that (eg. in Europe nobody tracks movements of their citizen).
So Passport stamps and or flight tickets and that official document will be handy. And also info from your wife including when exactly did she moved to USA to work there.

So many thanks vensak. My home country carefully put all stamps on, and thanks for US BSA, their website is open for anyone to check travel history with right passport number and birthday. Like Canada, US only stamp for entry, no for leaving. And if there is a valid I94 or right now TD, the land border pass doesn't stamp. This helps me to figure out some short term travel in US so much.
 
Think it is unlikely you will avoid secondary review. You do a lot of travelling, primary live outside of Canada and work in a different country than your spouse and both aren’t Canada. Also wouldn’t count on expedited processing for your PR card renewal.
 
If PR is revoked, can my wife sponsor me again a new PR? How long it will take?

Yes, she can. She's Canadian citizen. You will have to go the CIC.gc.ca website to check the processing time yourself.
 
Yes, she can. She's Canadian citizen. You will have to go the CIC.gc.ca website to check the processing time yourself.
So, history of PR does not affect new application? If I sign an a document to abandon PR, it's still OK if I want to be PR again by spouse's sponsor?
 
So, history of PR does not affect new application? If I sign an a document to abandon PR, it's still OK if I want to be PR again by spouse's sponsor?
Nope, but
1. She would have to be in Canada (like physically) to be able to sponsor you and during the whole sponsorship process (give it or take short trips abroad). So that would mean no work in USA for her in that case.
2. She could not use social welfare programs.
3. And it will be some time for you to be sponsored again.

That you lost your PR would only matter if you loose it because of fraud or misinterpretation (that would mean ban and rehabilitation for you).
And you could not be sponsored if you committed crime (again depending on the situation it could be still salvaged by rehabilitation).