Tattooing is traditionally an apprenticeship based art. Apprenticeships last approximately three years before they are considered professional artists. You are making permanent.
Popular lower back tattoos are the lotus flower which is rich in meaning and metaphor, the Lotus symbolises divinity, fertility and wealth. The lotus closes at night and sinks underwater. In the morning it re-emerges and blooms again. Thus the flower became a natural symbol of the sun and creation.