Makes 1 bitcoin in a month without investment? Maybe you can use a signature campaign to get bitcoin, but if you rely on a signature campaign is not enough. So you can try other ways such as selling services. If many who use your services you certainly can collect 1 bitcoin in a month.
It is true, from the signing of the campaign if we routinely experience the addition of bitcoin and hold it. If not, you can follow the desaign service or create a signature. and language translation service is needed and still depends on your ability and intelligence