115% sounds about right. I had a customer who wanted rustic fir just recently. My supplier could only find one source of rustic fir and it came in 20 foot lengths. It was actually beveled fir paneling and the square edged side of the boards were rough sawn. I ran short of what I felt was...
If my picture was of the complete job I would agree with you but it is only part of the area to be installed. Look at post #9 of this thread to see the whole job. I see no longest wall on the right.
I agree with Polestretch that clicking backwards isn't hard but is a consideration to...
Sure. In the picture below you will see the place where you will need to either click backwards or figure out what the rip is going to be along the kitchen wall and bring both sides of this small wall out together to the point where it says "when you get here"and hope they meet.
I would start on the dining room wall on the far left of the picture. You are going to have one place where you are going to have to click it backwards by the kitchen. You will be able to move the piano to the far right and carefully move it onto the floor and continue installing.