Speaking of light, the brightness of a room can have a huge impact on how small and cramped it feels. Whenever possible, try to bring sunlight into your home. Don't use heavy, oppressive cheap ready-made curtains on the windows. Adding sliding glass doors, larger or extra windows or skylights can also make a huge difference. If none of those are possible, simply increase the amount of comfortable artificial lighting. Try to use warmer, softer lights to give it that sun-lit feel.
Buyers are always more relaxed when the vendors are not there; take the dog for a walk, go for a coffee, take the kids to the park, whatever - but try and be away during showings.
When you get made to measure curtains you are getting curtains that fit your windows exactly. Not all windows are the same, and if you get curtains that are too short, then people can see in. If you get curtains that are too long, then you just wasted money on fabric. This is especially true with curtains for bay windows. This is why you need custom curtains. So that you can have curtains that fit the look of your home, and the size of your windows, and make your decor look harmonious.
You will not have to stick them out like you would if a designer makes them for you. Even if the curtains a designer makes for you are very pretty, but you would not like them if they are not exactly what you actually wanted. However, since you paid an insanely exorbitant price for them, you will be bound to hang them in your room even if you don't like them at all, buying readymade panoramic glass curtains saves you a lot of time.
How does buying these curtains benefit you? When you purchase ready made curtains, you know that they have been prepared by a professional, and because they were professionally prepared you can expect that they will perform as expected - they will hang better at the windows and also will last longer than the curtains that you could have made yourself. An obvious advantage is that you will save a large amount tende personalizzate of time by not preparing them yourself. With so much going on in our own lives, and the need to take care of our family, and the need to manage our jobs and careers, we do not always have time to get involved in a project like making curtains.
There are more expensive means for keeping a house insulated, such as making sure there is airtight insulation throughout the entire home. Be sure that no matter whether your solution is cost effective or more expensive that you stay warm for the winter and keep your heating costs down.