What is the ';correct'; method of painting a wall with a roller?

I see people paint in a 'v' then fill in the middle. I've seen people roll straight up and down. I've tried both, with varied results. My painting always ends up leaving dull spots on the wall here and there, that you can only see if the light hits it just right. So what is the professional method????What is the ';correct'; method of painting a wall with a roller?
It does not matter how as long as you lay it out, just after applyed go up and down come off the outer side 1 or 2 ft so you will not have any laps.


Than roll back into the painted side the same way dont put any pressure to either side of roller really you can lghtly do this with two fingers of each hand you let the rollor do the work not let the rollor work you.


Get a 5 gallon bucket and metal screen and box your paint together if it more than one coat room size 10x10 8ft walls # 1 gallon per fisrt coat 2nd coat will only take half of what it did the 1st coat.





Them dull spots you are talking about or called hoildays somes times we do the same thing even painters we laugh some time and call them vacations if they are to big. If you paint with anything other than flat paint only cut in and roll one wall and complete before going to the next wall.





This so it will not hat band which is the diferent thickness between a 3inch nylon brush and a 3/4 rolling nap.What is the ';correct'; method of painting a wall with a roller?
They teach you on the home improvement shows to do a W then fill in. Don't let the edges dry that you are overlapping, do small sections so you can cover the whole area before they dry. Are you using a primer...maybe that would help you get a more consistent finish. Also are you using the right roller cover for the surface?
I don't paint...
Fill in spot before it drys, once it drys its too late
whatever your comfortable with works ...dont be scared to use lots of paint
fill in all the spots that aren't painted yet. There's no better way.
I believe the V method is generally recommended. One of the tricks to getting good coverage is to make sure you have loaded the paint properly onto the roller before you go to the wall. Many people end up with the paint being on just half the roller, which contributes to poor and difficult coverage. Best to get a moderate amount of paint all around the roller, and then gently remove the excess by rolling on the top of your roller pan.
throw the paint on the wall and then roll it out as fast as you can.. and dont tape or cover anything that you dont want messed up that just makes more work.... or.. just maybe you hire sum1
just paint