1) You start by taking a hard look at your natal chart, paying attention to planets that are giving you trouble. Then you start casting charts for other locations, paying attention to how the planets shift from house to house as you do so. Very quickly you figure out how far you have to move and in what direction to get that awkward Saturn placement somewhere harmless, or to move Jupiter onto your midheaven, or what have you. That's how I did it, at least.
2) It's a popular misconception that the Indo-European pantheons didn't value balance with nature. I'd encourage you to do some more detailed study. In ancient Greece, for example, sacred groves and other areas of wild nature were an essential part of the religious infrastructure; in the Celtic countries, kings married the goddess of the local land, and could be deposed if famine or other trouble showed that they were not treating their divine spouse with sufficient respect. The Abrahamic faiths, born in desert lands, absorbed from their environment a sense of nature as hostile and even demonic, and that tended to make them less attentive to natural cycles; the Arab historian Ibn Khaldun wrote thoughtfully about the way that desert nomads, when they conquered urban societies, tended to let the irrigation systems go to rack and ruin because they simply didn't understand the importance of maintaining good relations with nature. Even so, there's been some movement in a more constructive direction in all three of the main Abrahamic faiths -- Francis of Assisi is a good example here.
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2) It's a popular misconception that the Indo-European pantheons didn't value balance with nature. I'd encourage you to do some more detailed study. In ancient Greece, for example, sacred groves and other areas of wild nature were an essential part of the religious infrastructure; in the Celtic countries, kings married the goddess of the local land, and could be deposed if famine or other trouble showed that they were not treating their divine spouse with sufficient respect. The Abrahamic faiths, born in desert lands, absorbed from their environment a sense of nature as hostile and even demonic, and that tended to make them less attentive to natural cycles; the Arab historian Ibn Khaldun wrote thoughtfully about the way that desert nomads, when they conquered urban societies, tended to let the irrigation systems go to rack and ruin because they simply didn't understand the importance of maintaining good relations with nature. Even so, there's been some movement in a more constructive direction in all three of the main Abrahamic faiths -- Francis of Assisi is a good example here.