Then after sealing it up the pipe was not tilted correct...had to reopen and redo all over again

Typically you are not deciding to use glass for thermal performance but for other reason like aesthetics. https://www.lowes.com/pd/SEVES-Glass-Block-Glass-Block-Common-8-in-H-x-8-in-W-x-4-in-D-Actual-7-75-in-H-x-7-75-in-W-x-3-875-in-D/1000095299This window is R-0 but I think the info is not provided here. https://www.lowes.com/pd/Project-Source-30001-Series-Tilting-Vinyl-Double-Pane-Double-Strength-Replacement-Basement-Hopper-Window-Rough-Opening-32-25-in-x-14-25-in-Actual-31-75-in-x-13-75-in/3683856This window is R-3.33   (U-value is reciprocal of the R-value)  1/0.3 = 3.33https://www.lowes.com/pd/ThermaStar-by-Pella-Vinyl-Double-Pane-Annealed-Replacement-Double-Hung-Window-Rough-Opening-27-75-in-x-45-75-in-Actual-27-5-in-x-45-5-in/3119077

My local group is tilted towards buy-and-hold single family, but there are plenty of wholesalers, agents, flippers, etc.

The columns are free-span, tilt-up and seated into the collar by pinning to the footer.

SELLER: "Oh no I didn't - but now that you mention it, the floors aren't level and do tilt on the back....."

I agree that the stock market is tilted toward the already affluent.

A short tip is on having multiple exit strategies ... if you have more ways to make money and fewer ways to lose money you tilt the odds in your favor.

Be sure to install a drip pan under the unit and that it is properly tilted outward :)

The whole house was tilted to one side.

@Mike CatalfamoThe physical opening of those bedroom windows is large enough if you were to replace the slider with a tilt-n-turn or casement window {tilt-n-turn is better as it opens inward and is less likely to be obstructed by snow, leaves or other objects}.The 44" in a basement can be a challenge.