What is your experience with bilingual language development, supporting home language, and learning a new language?

What is your experience with bilingual language development, supporting home language, and learning a new language? What are your feelings about dual-language learning?
Your written response must be at least one page in length and formatted according to the following guidelines:
be typed on letter-sized (8.5″ x 11″)
paper
have 1″ margins (the space between the text and the edge of paper) all around the text
be double-spaced
have a legible, size 12 font (APA recommends Times New Roman)
include a page header
have the first line of each new paragraph indented .5″