[Brekkie]

if this run of episodes does do well, then I could easily see it being extended to having a more permanent place on the schedules, I would not be surprised if ITV did away with tipping point in the future.

"In the future" for sure, but highly unlikely in the short term.  Tipping Point is basically what killed off Deal in the first place and as far as I'm aware has remained pretty stable ever since.   

What we may see is less new episodes commissioned - it already looks like more repeats are being shown than usual during the autumn run of all the ITV daytime quiz shows due to the advertising downturn, which effectively sees the new episodes commissioned to air over a year probably airing over around 18 months instead.    Deal or No Deal and the other new formats are probably plugging those gaps a bit to allow them to air new content and hold back new episodes of the main franchises.