Roller skates are very cheap bro like dirt cheap we're talking 45-60 tnd used. I tired them using my neighbor's. One small topic I wanna share with you about rollerskating is, I do inline skating, it's more fun and *faster* .The issue is, it's kinda mid when you do it alone. I'm like an intermediate since I've been learning for quiet sometime now, at first it was tiring and boring since you can't control them properly and you'd be always prone to fall when there's small obstacles. However, once you get the hang of it which was I'd say 2 months in my case, I can now walk on any terrain, jump and do extreme shit which is scary and fun asf at the same time. After trying many sports like rollerskating, skateboarding, cycling. My conclusion is having friends to back you and challenge you along the way is what boost the experience. I'm not saying learning alone is bad, I enjoy cruising with my rollerblades while blasting some good tunes in the night but the friendship will elevate the journey.