Radio repeater for 2 way radios?

I have purchased a cheap set of 10 two way radios from amazon Amcrest ATR-22 and have found more uses for them than originally anticipated but need gr

I have purchased a cheap set of 10 two way radios from amazon Amcrest ATR-22 and have found more uses for them than originally anticipated but need greater range. Is there a way to boost or repeat the signal for a reasonable price giving me a range of 20 to 30 miles or is that just unrealistis for this type of radio period, any help is much appreciated

or:I have purchased a cheap set of 10 two way radios from amazon Amcrest ATR-22 and have found more uses for them than originally anticipated but need greater range. Is there a way to boost or repeat the signal for a reasonable price giving me a range of 20 to 30 miles or is that just unrealistis for this type of radio period, any help is much appreciated

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