Curtain making question

Having just received a quote for having a curtain made (and after picking myself up off the floor) I'm now thinking I will make it myself.
As it's about 30 years since I last sewed curtains wondering if there are some flash new products (particularly gathering tapes) on the market that I should be looking out for?
Or any other suggestions to make the job easier. I'm quite confident I can do it, just wondering if I can do it more easily.
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