I have decided to change my life style and move from the city to a land lot, t. This idea has been a long time desire of mine and is a dream cominge true, not only for me, but also for my family groupas well.

Be wary of run-on sentences. Most of the corrections are idioms/word structure norms that are more advanced.

At the beginning, to achieve this family goal, I earned enough money to buy a new pieace of land to, build a new house, and set up a new life.

piece refers to a part of a whole, whereas peace refers to a state of non-conflict (the opposite of war or chaos). The other edit is about parallel structure in sentences

Choosing a new place and coming to an agreement with my wife It wasn't easy at all,; it was a hard work, considering because our different points of view about each place that we visited before buying the appropriate place.

semi colons are used to break up sentences with multiple independent clauses. because is more common and sounds more natural in english but considering in that is not necessarily incorrect. be wary of unnessacary commas

Always we haveWe have always lived in crowded cities, and this new opportunity will definitely will change our routine and also newmake us discuss matters related withto living apart ofin urban areas.

be mindful of the order of pronouns/verbs/adverbs. the last part of the sentence (from "and also new") is difficult for me to understand, but I did my best to correct the grammer

In spite of all good points, crime rate has ricedsen in these lpast few years, and living in isolatedion increases the odds of being affected by criminal issuese, but keeping in contact with neighbors and having security system these odds can be reduced easily.will reduce these odds.

be careful of spelling and tense (riced ->risen), and sentence norms (living isolated vs in isolation)

Finally, I can say that I'm very exciting to move to the country and reconnect with nature.

commas after introductory words like finally

With mMy family weand I strongly think that we'll have a will be happier and have a better quality of life away from the monotone of the city.

be cognizant of how you characterize groups (with my family vs. my family and i) and beware of using the proper verb ("be" happier and "have" a better quality of life