Short answer: Only pay interest, not the loan. Lower payments but debt never shrinks. Rare for first home buyers.
You only pay the interest, not the loan itself. Your payments are lower but your debt never shrinks. Banks rarely give interest-only loans to first home buyers. They are mainly for investors. If you do get one, you need a plan to start paying the loan later. Otherwise you never own the house.
Loan Amount: $500,000
Interest Only Payment: $2,917/month
Principal And Interest: $3,327/month
Difference: $410/month lower
After Five Years: Still owe $500,000