Tado thermostat

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Hello,
I’m using tado for about 2 months and noticed weird behavior. Is that normal when temp drop by 0.1 boiler is triggered? It doesn’t make sense for me as my bill is 13€ per day! I’m using single wired thermostat.
I noticed is better to set lower temp but heat 2x or 3x for 1h or less every 2h or whatever to higher temp and bills are less! Anyone has solution for this I mean is there any way to change triggering boiler not any time temp drops 0.1 but 0.5 or 1 degree?